[INFO] fetching crate aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda 0.0.1...
[INFO] testing aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda 0.0.1
[INFO] finished tweaking crates.io crate aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda 0.0.1
[INFO] tweaked toml for crates.io crate aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3469d380fd3e2a3bf089922d8ef617c27954f9d2e5a4275ce29b9c0cd58810b
[INFO] running `Command { std: "docker" "start" "-a" "e3469d380fd3e2a3bf089922d8ef617c27954f9d2e5a4275ce29b9c0cd58810b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3469d380fd3e2a3bf089922d8ef617c27954f9d2e5a4275ce29b9c0cd58810b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3469d380fd3e2a3bf089922d8ef617c27954f9d2e5a4275ce29b9c0cd58810b", kill_on_drop: false }`
[INFO] [stdout] e3469d380fd3e2a3bf089922d8ef617c27954f9d2e5a4275ce29b9c0cd58810b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6669d07290629f2bc2b2cb6cd847e8af2d61e2406aa13dfaf8438a26bd74d5f
[INFO] running `Command { std: "docker" "start" "-a" "b6669d07290629f2bc2b2cb6cd847e8af2d61e2406aa13dfaf8438a26bd74d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b6669d07290629f2bc2b2cb6cd847e8af2d61e2406aa13dfaf8438a26bd74d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6669d07290629f2bc2b2cb6cd847e8af2d61e2406aa13dfaf8438a26bd74d5f", kill_on_drop: false }`
[INFO] [stdout] b6669d07290629f2bc2b2cb6cd847e8af2d61e2406aa13dfaf8438a26bd74d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adcdf2ece3d7b148933cca0c1e1e61db388a952bb0c0a50cb99028185bc9b6d2
[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" "adcdf2ece3d7b148933cca0c1e1e61db388a952bb0c0a50cb99028185bc9b6d2", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "adcdf2ece3d7b148933cca0c1e1e61db388a952bb0c0a50cb99028185bc9b6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adcdf2ece3d7b148933cca0c1e1e61db388a952bb0c0a50cb99028185bc9b6d2", kill_on_drop: false }`
[INFO] [stdout] adcdf2ece3d7b148933cca0c1e1e61db388a952bb0c0a50cb99028185bc9b6d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6ca840232a6781df55a585384b5ae597148329ef23d743fc0b526c7e4ce45d0
[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" "b6ca840232a6781df55a585384b5ae597148329ef23d743fc0b526c7e4ce45d0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `indent`
[INFO] [stderr]  --> src/lib.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stderr]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda` (lib) generated 1 warning
[INFO] [stderr] warning: `aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda-c2703c2c0b1bbbc9)
[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] [stderr]    Doc-tests aace20dd7640e22f024758931f01b160e7b517d6499de78aad72c9dfda
[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" "b6ca840232a6781df55a585384b5ae597148329ef23d743fc0b526c7e4ce45d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ca840232a6781df55a585384b5ae597148329ef23d743fc0b526c7e4ce45d0", kill_on_drop: false }`
[INFO] [stdout] b6ca840232a6781df55a585384b5ae597148329ef23d743fc0b526c7e4ce45d0