[INFO] fetching crate a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7 0.0.2...
[INFO] testing a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7 0.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7 0.0.2
[INFO] finished tweaking crates.io crate a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7 0.0.2
[INFO] tweaked toml for crates.io crate a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 971bcd244f0d56f970ddde50db38edbe2b586912dc8866cdd7b987d0e8b34c87
[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" "971bcd244f0d56f970ddde50db38edbe2b586912dc8866cdd7b987d0e8b34c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971bcd244f0d56f970ddde50db38edbe2b586912dc8866cdd7b987d0e8b34c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971bcd244f0d56f970ddde50db38edbe2b586912dc8866cdd7b987d0e8b34c87", kill_on_drop: false }`
[INFO] [stdout] 971bcd244f0d56f970ddde50db38edbe2b586912dc8866cdd7b987d0e8b34c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "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] 52ee5063f0e167678cf10eea203e9e0e7f0bd6c74a362f76c08048801553bc61
[INFO] running `Command { std: "docker" "start" "-a" "52ee5063f0e167678cf10eea203e9e0e7f0bd6c74a362f76c08048801553bc61", kill_on_drop: false }`
[INFO] [stderr]    Compiling a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7 v0.0.2 (/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 0.26s
[INFO] running `Command { std: "docker" "inspect" "52ee5063f0e167678cf10eea203e9e0e7f0bd6c74a362f76c08048801553bc61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ee5063f0e167678cf10eea203e9e0e7f0bd6c74a362f76c08048801553bc61", kill_on_drop: false }`
[INFO] [stdout] 52ee5063f0e167678cf10eea203e9e0e7f0bd6c74a362f76c08048801553bc61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a8c1251294ae1837cbccd1aa70e75f630f2c01eecd0db4eab690f81e4f1f034
[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" "8a8c1251294ae1837cbccd1aa70e75f630f2c01eecd0db4eab690f81e4f1f034", kill_on_drop: false }`
[INFO] [stderr]    Compiling a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7 v0.0.2 (/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] [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 0.70s
[INFO] running `Command { std: "docker" "inspect" "8a8c1251294ae1837cbccd1aa70e75f630f2c01eecd0db4eab690f81e4f1f034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8c1251294ae1837cbccd1aa70e75f630f2c01eecd0db4eab690f81e4f1f034", kill_on_drop: false }`
[INFO] [stdout] 8a8c1251294ae1837cbccd1aa70e75f630f2c01eecd0db4eab690f81e4f1f034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba1575df9c459d7101cf456c39ad906a36a3810a72977a8f0711781eab38e3e8
[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" "ba1575df9c459d7101cf456c39ad906a36a3810a72977a8f0711781eab38e3e8", 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: `a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7` (lib) generated 1 warning
[INFO] [stderr] warning: `a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7-858887a0d8fd1080)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests a1ac5d3b4f91ecaa475e6a9937deb3d84aa13925f9d41414dcdbc05d7
[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] [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" "ba1575df9c459d7101cf456c39ad906a36a3810a72977a8f0711781eab38e3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1575df9c459d7101cf456c39ad906a36a3810a72977a8f0711781eab38e3e8", kill_on_drop: false }`
[INFO] [stdout] ba1575df9c459d7101cf456c39ad906a36a3810a72977a8f0711781eab38e3e8