[INFO] fetching crate ochenslab 0.0.2...
[INFO] testing ochenslab-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ochenslab 0.0.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate ochenslab 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 ochenslab 0.0.2
[INFO] finished tweaking crates.io crate ochenslab 0.0.2
[INFO] tweaked toml for crates.io crate ochenslab 0.0.2 written to /workspace/builds/worker-17/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 80fe423e99565381c694853d2f88a0ab20cb83ec739aa00451cb9c37ceeb8933
[INFO] running `Command { std: "docker" "start" "-a" "80fe423e99565381c694853d2f88a0ab20cb83ec739aa00451cb9c37ceeb8933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80fe423e99565381c694853d2f88a0ab20cb83ec739aa00451cb9c37ceeb8933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80fe423e99565381c694853d2f88a0ab20cb83ec739aa00451cb9c37ceeb8933", kill_on_drop: false }`
[INFO] [stdout] 80fe423e99565381c694853d2f88a0ab20cb83ec739aa00451cb9c37ceeb8933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 68eb2a0bfbd6cfa3cc6be69a105e970d9a4444ad526a4f2861a7b050e3e095d2
[INFO] running `Command { std: "docker" "start" "-a" "68eb2a0bfbd6cfa3cc6be69a105e970d9a4444ad526a4f2861a7b050e3e095d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ochenslab v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "68eb2a0bfbd6cfa3cc6be69a105e970d9a4444ad526a4f2861a7b050e3e095d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68eb2a0bfbd6cfa3cc6be69a105e970d9a4444ad526a4f2861a7b050e3e095d2", kill_on_drop: false }`
[INFO] [stdout] 68eb2a0bfbd6cfa3cc6be69a105e970d9a4444ad526a4f2861a7b050e3e095d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 30f8dc0aa1738b88eae3a5aabaf826dbb819d6c07c2d897f9cf076b4b0cb9ca4
[INFO] running `Command { std: "docker" "start" "-a" "30f8dc0aa1738b88eae3a5aabaf826dbb819d6c07c2d897f9cf076b4b0cb9ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ochenslab v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "30f8dc0aa1738b88eae3a5aabaf826dbb819d6c07c2d897f9cf076b4b0cb9ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f8dc0aa1738b88eae3a5aabaf826dbb819d6c07c2d897f9cf076b4b0cb9ca4", kill_on_drop: false }`
[INFO] [stdout] 30f8dc0aa1738b88eae3a5aabaf826dbb819d6c07c2d897f9cf076b4b0cb9ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] ade03d0bb284943e6da0a55e633149d3b16dfcc6cce429b43d99e1d2454a63b7
[INFO] running `Command { std: "docker" "start" "-a" "ade03d0bb284943e6da0a55e633149d3b16dfcc6cce429b43d99e1d2454a63b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ochenslab-cd17afbc1d467145)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::can_insert_and_remove_an_element ... ok
[INFO] [stdout] test tests::can_mutate_element ... ok
[INFO] [stdout] test tests::can_reach_capacity ... ok
[INFO] [stdout] test tests::can_reach_capacity_and_back ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ochenslab
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - OchenSlab (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ade03d0bb284943e6da0a55e633149d3b16dfcc6cce429b43d99e1d2454a63b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade03d0bb284943e6da0a55e633149d3b16dfcc6cce429b43d99e1d2454a63b7", kill_on_drop: false }`
[INFO] [stdout] ade03d0bb284943e6da0a55e633149d3b16dfcc6cce429b43d99e1d2454a63b7