[INFO] fetching crate greenback 0.0.3...
[INFO] testing greenback-0.0.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate greenback 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate greenback 0.0.3 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 greenback 0.0.3
[INFO] finished tweaking crates.io crate greenback 0.0.3
[INFO] tweaked toml for crates.io crate greenback 0.0.3 written to /workspace/builds/worker-2/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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63b86f670f8f231efefd0c96307089d6860e5b5181c2a166af653b6c19194119
[INFO] running `Command { std: "docker" "start" "-a" "63b86f670f8f231efefd0c96307089d6860e5b5181c2a166af653b6c19194119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b86f670f8f231efefd0c96307089d6860e5b5181c2a166af653b6c19194119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b86f670f8f231efefd0c96307089d6860e5b5181c2a166af653b6c19194119", kill_on_drop: false }`
[INFO] [stdout] 63b86f670f8f231efefd0c96307089d6860e5b5181c2a166af653b6c19194119
[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=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] 50f71a06e93d07daf7856b74ce2fcf86a32248a823ffb3bcc06fc7f39ba5f3b7
[INFO] running `Command { std: "docker" "start" "-a" "50f71a06e93d07daf7856b74ce2fcf86a32248a823ffb3bcc06fc7f39ba5f3b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling greenback v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "50f71a06e93d07daf7856b74ce2fcf86a32248a823ffb3bcc06fc7f39ba5f3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f71a06e93d07daf7856b74ce2fcf86a32248a823ffb3bcc06fc7f39ba5f3b7", kill_on_drop: false }`
[INFO] [stdout] 50f71a06e93d07daf7856b74ce2fcf86a32248a823ffb3bcc06fc7f39ba5f3b7
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9b0010effe2385621dcf6fed10c48be0e43c268cbb5e5d02bb47199a52aab61
[INFO] running `Command { std: "docker" "start" "-a" "f9b0010effe2385621dcf6fed10c48be0e43c268cbb5e5d02bb47199a52aab61", kill_on_drop: false }`
[INFO] [stderr]    Compiling greenback v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "f9b0010effe2385621dcf6fed10c48be0e43c268cbb5e5d02bb47199a52aab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b0010effe2385621dcf6fed10c48be0e43c268cbb5e5d02bb47199a52aab61", kill_on_drop: false }`
[INFO] [stdout] f9b0010effe2385621dcf6fed10c48be0e43c268cbb5e5d02bb47199a52aab61
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c33063cc1044018fe462d2b69a671b11b65703e719e4f96b498a66dba32258f
[INFO] running `Command { std: "docker" "start" "-a" "6c33063cc1044018fe462d2b69a671b11b65703e719e4f96b498a66dba32258f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/greenback-1cbe6a05e12b1183)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::test_div ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::test_ordering ... ok
[INFO] [stdout] test tests::test_dollars ... ok
[INFO] [stdout] test tests::test_mul_assign ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_sub_assign ... ok
[INFO] [stdout] test tests::test_sum ... ok
[INFO] [stdout] test tests::test_constructors ... ok
[INFO] [stdout] test tests::test_add_assign ... ok
[INFO] [stdout] test tests::test_cents ... ok
[INFO] [stdout] test tests::test_div_assign ... ok
[INFO] [stdout] test tests::test_equality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests greenback
[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" "6c33063cc1044018fe462d2b69a671b11b65703e719e4f96b498a66dba32258f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c33063cc1044018fe462d2b69a671b11b65703e719e4f96b498a66dba32258f", kill_on_drop: false }`
[INFO] [stdout] 6c33063cc1044018fe462d2b69a671b11b65703e719e4f96b498a66dba32258f