[INFO] fetching crate gibbon 0.1.3...
[INFO] checking gibbon-0.1.3 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate gibbon 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gibbon 0.1.3 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394ff94dc974c8e809640aad0dea4422e87d57755ed8f821c680ec0051580a4e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "394ff94dc974c8e809640aad0dea4422e87d57755ed8f821c680ec0051580a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394ff94dc974c8e809640aad0dea4422e87d57755ed8f821c680ec0051580a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394ff94dc974c8e809640aad0dea4422e87d57755ed8f821c680ec0051580a4e", kill_on_drop: false }`
[INFO] [stdout] 394ff94dc974c8e809640aad0dea4422e87d57755ed8f821c680ec0051580a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba08474f9c22284868cec33669fa0b0de7d028d9f1da44acc34f279ee9119e82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba08474f9c22284868cec33669fa0b0de7d028d9f1da44acc34f279ee9119e82", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking 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]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]    |                                                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn Reader`
[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]    |                                                      ^^^^^^ help: use `dyn`: `dyn Writer`
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn Reader`
[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]    |                                                      ^^^^^^ help: use `dyn`: `dyn Writer`
[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]    |                                                                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.37
[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]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]    |                                                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn Reader`
[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]    |                                                      ^^^^^^ help: use `dyn`: `dyn Writer`
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn Reader`
[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]    |                                                      ^^^^^^ help: use `dyn`: `dyn Writer`
[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]    |                                                                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba08474f9c22284868cec33669fa0b0de7d028d9f1da44acc34f279ee9119e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba08474f9c22284868cec33669fa0b0de7d028d9f1da44acc34f279ee9119e82", kill_on_drop: false }`
[INFO] [stdout] ba08474f9c22284868cec33669fa0b0de7d028d9f1da44acc34f279ee9119e82