[INFO] fetching crate gibbon 0.1.3...
[INFO] testing gibbon-0.1.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate gibbon 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate gibbon 0.1.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gibbon 0.1.3
[INFO] finished tweaking crates.io crate gibbon 0.1.3
[INFO] tweaked toml for crates.io crate gibbon 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate gibbon 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded redox_syscall v0.1.17
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded libc v0.2.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbf20bcc6b84c4d8e5fc88300ade7cba709afb5b076e53eec836580ffafb16fd
[INFO] running `Command { std: "docker" "start" "-a" "dbf20bcc6b84c4d8e5fc88300ade7cba709afb5b076e53eec836580ffafb16fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf20bcc6b84c4d8e5fc88300ade7cba709afb5b076e53eec836580ffafb16fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf20bcc6b84c4d8e5fc88300ade7cba709afb5b076e53eec836580ffafb16fd", kill_on_drop: false }`
[INFO] [stdout] dbf20bcc6b84c4d8e5fc88300ade7cba709afb5b076e53eec836580ffafb16fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbba93f3cc2e9976e6bf3771d823a966dd1909eb523651f533587f094fba105e
[INFO] running `Command { std: "docker" "start" "-a" "fbba93f3cc2e9976e6bf3771d823a966dd1909eb523651f533587f094fba105e", kill_on_drop: false }`
[INFO] [stderr]    Compiling gibbon v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/vec_stream.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 if (self.read_bits_current_index == 64) {
[INFO] [stdout]    |                    ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                 if (self.read_bits_current_index == 64) {
[INFO] [stdout] 89 +                 if self.read_bits_current_index == 64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut Reader) -> Option<u64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<u64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:96:41
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut Reader) -> Option<f64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<f64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream_lead_trail.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/time_and_value_stream.rs:20:70
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "fbba93f3cc2e9976e6bf3771d823a966dd1909eb523651f533587f094fba105e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbba93f3cc2e9976e6bf3771d823a966dd1909eb523651f533587f094fba105e", kill_on_drop: false }`
[INFO] [stdout] fbba93f3cc2e9976e6bf3771d823a966dd1909eb523651f533587f094fba105e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4885f78ed0945baa0a77396508496d70855a060d297a63634b908ef71e97ef11
[INFO] running `Command { std: "docker" "start" "-a" "4885f78ed0945baa0a77396508496d70855a060d297a63634b908ef71e97ef11", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/vec_stream.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 if (self.read_bits_current_index == 64) {
[INFO] [stdout]    |                    ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                 if (self.read_bits_current_index == 64) {
[INFO] [stdout] 89 +                 if self.read_bits_current_index == 64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut Reader) -> Option<u64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<u64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:96:41
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut Reader) -> Option<f64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<f64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream_lead_trail.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/time_and_value_stream.rs:20:70
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling gibbon v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/vec_stream.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 if (self.read_bits_current_index == 64) {
[INFO] [stdout]    |                    ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                 if (self.read_bits_current_index == 64) {
[INFO] [stdout] 89 +                 if self.read_bits_current_index == 64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut Reader) -> Option<u64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<u64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:96:41
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut Reader) -> Option<f64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<f64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream_lead_trail.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/time_and_value_stream.rs:20:70
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "4885f78ed0945baa0a77396508496d70855a060d297a63634b908ef71e97ef11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4885f78ed0945baa0a77396508496d70855a060d297a63634b908ef71e97ef11", kill_on_drop: false }`
[INFO] [stdout] 4885f78ed0945baa0a77396508496d70855a060d297a63634b908ef71e97ef11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0ce0e670158620546358152a5e981d143639f20541f3720fe10987f347875b0
[INFO] running `Command { std: "docker" "start" "-a" "f0ce0e670158620546358152a5e981d143639f20541f3720fe10987f347875b0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/vec_stream.rs:89:20
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 if (self.read_bits_current_index == 64) {
[INFO] [stderr]    |                    ^                                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 89 -                 if (self.read_bits_current_index == 64) {
[INFO] [stderr] 89 +                 if self.read_bits_current_index == 64 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/timestamp_stream.rs:29:54
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn push(&mut self, number: u64, writer: &mut Writer) {
[INFO] [stderr]    |                                                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn push(&mut self, number: u64, writer: &mut dyn Writer) {
[INFO] [stderr]    |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/timestamp_stream.rs:81:41
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn next(&mut self, reader: &mut Reader) -> Option<u64> {
[INFO] [stderr]    |                                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<u64> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/double_stream.rs:33:54
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stderr]    |                                                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stderr]    |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/double_stream.rs:96:41
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn next(&mut self, reader: &mut Reader) -> Option<f64> {
[INFO] [stderr]    |                                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<f64> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/double_stream_lead_trail.rs:35:54
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stderr]    |                                                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stderr]    |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/time_and_value_stream.rs:20:70
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut Writer) {
[INFO] [stderr]    |                                                                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut dyn Writer) {
[INFO] [stderr]    |                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `gibbon` (lib) generated 7 warnings (run `cargo fix --lib -p gibbon` to apply 7 suggestions)
[INFO] [stderr] warning: `gibbon` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gibbon-a9e4369d56e91455)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test double_stream::tests::all_zeros ... ok
[INFO] [stdout] test double_stream::tests::fuzzer_vec ... ok
[INFO] [stdout] test double_stream::tests::all_significant_bits ... ok
[INFO] [stdout] test double_stream::tests::reuse_window ... ok
[INFO] [stdout] test time_and_value_stream::tests::int_all_steps ... ok
[INFO] [stdout] test time_and_value_stream::tests::int_less_than_64 ... ok
[INFO] [stdout] test double_stream::tests::fuzzer ... ok
[INFO] [stdout] test double_stream::tests::read_aligned_64 ... ok
[INFO] [stdout] test vec_stream::tests::read_empty_vector ... ok
[INFO] [stdout] test vec_stream::tests::read_first_word ... ok
[INFO] [stdout] test time_and_value_stream::tests::fuzzer_vec_int ... ok
[INFO] [stdout] test double_stream::tests::new_window ... ok
[INFO] [stdout] test time_and_value_stream::tests::time_and_value ... ok
[INFO] [stdout] test time_and_value_stream::tests::all_zeros_int ... ok
[INFO] [stdout] test vec_stream::tests::write_to_second_word_aligned ... ok
[INFO] [stdout] test vec_stream::tests::write_to_first_word ... ok
[INFO] [stdout] test vec_stream::tests::write_to_second_word_unaligned ... ok
[INFO] [stdout] test vec_stream::tests::write_nothing ... ok
[INFO] [stdout] test vec_stream::tests::read_unaligned_word ... ok
[INFO] [stdout] test double_stream::tests::many_leading_decimals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gibbon
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/vec_stream.rs:89:20
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 if (self.read_bits_current_index == 64) {
[INFO] [stderr]    |                    ^                                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 89 -                 if (self.read_bits_current_index == 64) {
[INFO] [stderr] 89 +                 if self.read_bits_current_index == 64 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0ce0e670158620546358152a5e981d143639f20541f3720fe10987f347875b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ce0e670158620546358152a5e981d143639f20541f3720fe10987f347875b0", kill_on_drop: false }`
[INFO] [stdout] f0ce0e670158620546358152a5e981d143639f20541f3720fe10987f347875b0
[INFO] testing gibbon-0.1.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate gibbon 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate gibbon 0.1.3 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gibbon 0.1.3
[INFO] finished tweaking crates.io crate gibbon 0.1.3
[INFO] tweaked toml for crates.io crate gibbon 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate gibbon 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeeffaf706e3ea3a22b0a80825721e75d13d58fcaec78a3dee9764a60b777cc2
[INFO] running `Command { std: "docker" "start" "-a" "aeeffaf706e3ea3a22b0a80825721e75d13d58fcaec78a3dee9764a60b777cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeeffaf706e3ea3a22b0a80825721e75d13d58fcaec78a3dee9764a60b777cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeeffaf706e3ea3a22b0a80825721e75d13d58fcaec78a3dee9764a60b777cc2", kill_on_drop: false }`
[INFO] [stdout] aeeffaf706e3ea3a22b0a80825721e75d13d58fcaec78a3dee9764a60b777cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7521a3d74a7ef941deda43b0b9bfe8b6123d39da49454dd9a75c812cab77e8bf
[INFO] running `Command { std: "docker" "start" "-a" "7521a3d74a7ef941deda43b0b9bfe8b6123d39da49454dd9a75c812cab77e8bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling gibbon v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/vec_stream.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 if (self.read_bits_current_index == 64) {
[INFO] [stdout]    |                    ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                 if (self.read_bits_current_index == 64) {
[INFO] [stdout] 89 +                 if self.read_bits_current_index == 64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut Reader) -> Option<u64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<u64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:96:41
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut Reader) -> Option<f64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<f64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream_lead_trail.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/time_and_value_stream.rs:20:70
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "7521a3d74a7ef941deda43b0b9bfe8b6123d39da49454dd9a75c812cab77e8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7521a3d74a7ef941deda43b0b9bfe8b6123d39da49454dd9a75c812cab77e8bf", kill_on_drop: false }`
[INFO] [stdout] 7521a3d74a7ef941deda43b0b9bfe8b6123d39da49454dd9a75c812cab77e8bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b47524c537e84a2e1aec1d5cc50be5892055530d7ee0b94c64a39132835b32e6
[INFO] running `Command { std: "docker" "start" "-a" "b47524c537e84a2e1aec1d5cc50be5892055530d7ee0b94c64a39132835b32e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/vec_stream.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 if (self.read_bits_current_index == 64) {
[INFO] [stdout]    |                    ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                 if (self.read_bits_current_index == 64) {
[INFO] [stdout] 89 +                 if self.read_bits_current_index == 64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn push(&mut self, number: u64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timestamp_stream.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut Reader) -> Option<u64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<u64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream.rs:96:41
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut Reader) -> Option<f64> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn next(&mut self, reader: &mut dyn Reader) -> Option<f64> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/double_stream_lead_trail.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push(&mut self, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/time_and_value_stream.rs:20:70
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut Writer) {
[INFO] [stdout]    |                                                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(&mut self, timestamp: u64, number: f64, writer: &mut dyn Writer) {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b47524c537e84a2e1aec1d5cc50be5892055530d7ee0b94c64a39132835b32e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47524c537e84a2e1aec1d5cc50be5892055530d7ee0b94c64a39132835b32e6", kill_on_drop: false }`
[INFO] [stdout] b47524c537e84a2e1aec1d5cc50be5892055530d7ee0b94c64a39132835b32e6
