[INFO] fetching crate torcher 0.1.0...
[INFO] checking torcher-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate torcher 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate torcher 0.1.0
[INFO] finished tweaking crates.io crate torcher 0.1.0
[INFO] tweaked toml for crates.io crate torcher 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate torcher 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate torcher 0.1.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36cdaa8391f62784e953fa17e1c47f0638100d34f5af034330247ed0c9dc87db
[INFO] running `Command { std: "docker" "start" "-a" "36cdaa8391f62784e953fa17e1c47f0638100d34f5af034330247ed0c9dc87db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36cdaa8391f62784e953fa17e1c47f0638100d34f5af034330247ed0c9dc87db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cdaa8391f62784e953fa17e1c47f0638100d34f5af034330247ed0c9dc87db", kill_on_drop: false }`
[INFO] [stdout] 36cdaa8391f62784e953fa17e1c47f0638100d34f5af034330247ed0c9dc87db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 326bb5f9bc394bdba93d1054c16b5d92386db416d794ed5aefbb18802ba4f85b
[INFO] running `Command { std: "docker" "start" "-a" "326bb5f9bc394bdba93d1054c16b5d92386db416d794ed5aefbb18802ba4f85b", kill_on_drop: false }`
[INFO] [stderr]     Checking torcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `FAMILY` is never used
[INFO] [stdout]    --> src/net.rs:168:11
[INFO] [stdout]     |
[INFO] [stdout] 167 | impl Ip {
[INFO] [stdout]     | ------- associated constant in this implementation
[INFO] [stdout] 168 |     const FAMILY: Family = Family::ALL;
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGGING_ENABLED` is never used
[INFO] [stdout]   --> src/net/v6.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const LOGGING_ENABLED: bool = true;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/net/v6.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 215 | impl Range {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 216 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/macros.rs:2213:25
[INFO] [stdout]      |
[INFO] [stdout] 2213 |             pub fn iter(&self) -> Iter<$U> {
[INFO] [stdout]      |                         ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/net/v4.rs:637:1
[INFO] [stdout]      |
[INFO] [stdout] 637  | impl_into_iter!(NetSet, Net);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `impl_into_iter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 2213 |             pub fn iter(&self) -> Iter<'_, $U> {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/macros.rs:2216:29
[INFO] [stdout]      |
[INFO] [stdout] 2216 |             pub fn iter_mut(&mut self) -> IterMut<$U> {
[INFO] [stdout]      |                             ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/net/v4.rs:637:1
[INFO] [stdout]      |
[INFO] [stdout] 637  | impl_into_iter!(NetSet, Net);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `impl_into_iter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 2216 |             pub fn iter_mut(&mut self) -> IterMut<'_, $U> {
[INFO] [stdout]      |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `FAMILY` is never used
[INFO] [stdout]    --> src/net.rs:168:11
[INFO] [stdout]     |
[INFO] [stdout] 167 | impl Ip {
[INFO] [stdout]     | ------- associated constant in this implementation
[INFO] [stdout] 168 |     const FAMILY: Family = Family::ALL;
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGGING_ENABLED` is never used
[INFO] [stdout]   --> src/net/v6.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const LOGGING_ENABLED: bool = true;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/net/v6.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 215 | impl Range {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 216 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/macros.rs:2213:25
[INFO] [stdout]      |
[INFO] [stdout] 2213 |             pub fn iter(&self) -> Iter<$U> {
[INFO] [stdout]      |                         ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/net/v4.rs:637:1
[INFO] [stdout]      |
[INFO] [stdout] 637  | impl_into_iter!(NetSet, Net);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `impl_into_iter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 2213 |             pub fn iter(&self) -> Iter<'_, $U> {
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/macros.rs:2216:29
[INFO] [stdout]      |
[INFO] [stdout] 2216 |             pub fn iter_mut(&mut self) -> IterMut<$U> {
[INFO] [stdout]      |                             ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/net/v4.rs:637:1
[INFO] [stdout]      |
[INFO] [stdout] 637  | impl_into_iter!(NetSet, Net);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `impl_into_iter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 2216 |             pub fn iter_mut(&mut self) -> IterMut<'_, $U> {
[INFO] [stdout]      |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "326bb5f9bc394bdba93d1054c16b5d92386db416d794ed5aefbb18802ba4f85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326bb5f9bc394bdba93d1054c16b5d92386db416d794ed5aefbb18802ba4f85b", kill_on_drop: false }`
[INFO] [stdout] 326bb5f9bc394bdba93d1054c16b5d92386db416d794ed5aefbb18802ba4f85b