[INFO] fetching crate idalloc 0.1.1...
[INFO] testing idalloc-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate idalloc 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate idalloc 0.1.1 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 idalloc 0.1.1
[INFO] finished tweaking crates.io crate idalloc 0.1.1
[INFO] tweaked toml for crates.io crate idalloc 0.1.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c87eeffd422137e29a340012d5ff1d2d562bfbbbeca0d426bb8816c71ff55fa3
[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" "c87eeffd422137e29a340012d5ff1d2d562bfbbbeca0d426bb8816c71ff55fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87eeffd422137e29a340012d5ff1d2d562bfbbbeca0d426bb8816c71ff55fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87eeffd422137e29a340012d5ff1d2d562bfbbbeca0d426bb8816c71ff55fa3", kill_on_drop: false }`
[INFO] [stdout] c87eeffd422137e29a340012d5ff1d2d562bfbbbeca0d426bb8816c71ff55fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] e6fe905c9f947b693a58b3695f5b2c8e27f4da7903707c2ded6ae42ac0fad806
[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" "e6fe905c9f947b693a58b3695f5b2c8e27f4da7903707c2ded6ae42ac0fad806", kill_on_drop: false }`
[INFO] [stderr]    Compiling idalloc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "e6fe905c9f947b693a58b3695f5b2c8e27f4da7903707c2ded6ae42ac0fad806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6fe905c9f947b693a58b3695f5b2c8e27f4da7903707c2ded6ae42ac0fad806", kill_on_drop: false }`
[INFO] [stdout] e6fe905c9f947b693a58b3695f5b2c8e27f4da7903707c2ded6ae42ac0fad806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 35ef647a40efea31814b3905df21fd189342fa9418c36e89a7795d4933d064a9
[INFO] running `Command { std: "docker" "start" "-a" "35ef647a40efea31814b3905df21fd189342fa9418c36e89a7795d4933d064a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling idalloc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "35ef647a40efea31814b3905df21fd189342fa9418c36e89a7795d4933d064a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ef647a40efea31814b3905df21fd189342fa9418c36e89a7795d4933d064a9", kill_on_drop: false }`
[INFO] [stdout] 35ef647a40efea31814b3905df21fd189342fa9418c36e89a7795d4933d064a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f7ef688690048cba81fb8d716521de447da3a9d68bf3c219ea3fc7876e2ae15d
[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" "f7ef688690048cba81fb8d716521de447da3a9d68bf3c219ea3fc7876e2ae15d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/idalloc-b2124ad4725b1003)
[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 idalloc
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - Id::is_none (line 98) ... ok
[INFO] [stdout] test src/lib.rs - Id::take (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Id::as_usize (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Slab<I>::next (line 222) ... ok
[INFO] [stdout] test src/lib.rs - Id::initial (line 25) ... ok
[INFO] [stdout] test src/lib.rs - Id::increment (line 49) ... ok
[INFO] [stdout] test src/lib.rs - Slab<I>::free (line 244) ... ok
[INFO] [stdout] test src/lib.rs - Id::none (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Id::expect (line 75) ... ok
[INFO] [stdout] test src/lib.rs - Slab (line 166) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Slab<I>::new (line 200) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7ef688690048cba81fb8d716521de447da3a9d68bf3c219ea3fc7876e2ae15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ef688690048cba81fb8d716521de447da3a9d68bf3c219ea3fc7876e2ae15d", kill_on_drop: false }`
[INFO] [stdout] f7ef688690048cba81fb8d716521de447da3a9d68bf3c219ea3fc7876e2ae15d