[INFO] fetching crate ru_history 0.1.0...
[INFO] testing ru_history-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ru_history 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ru_history 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ru_history 0.1.0
[INFO] finished tweaking crates.io crate ru_history 0.1.0
[INFO] tweaked toml for crates.io crate ru_history 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 72f64ec85f305082ade876424d8aa144a26b21991a4623592c289ca0649b5033
[INFO] running `Command { std: "docker" "start" "-a" "72f64ec85f305082ade876424d8aa144a26b21991a4623592c289ca0649b5033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72f64ec85f305082ade876424d8aa144a26b21991a4623592c289ca0649b5033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f64ec85f305082ade876424d8aa144a26b21991a4623592c289ca0649b5033", kill_on_drop: false }`
[INFO] [stdout] 72f64ec85f305082ade876424d8aa144a26b21991a4623592c289ca0649b5033
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 885e10bc0c87df6f45144fa0749b18499115b380091c9440704c57ff5962246e
[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" "885e10bc0c87df6f45144fa0749b18499115b380091c9440704c57ff5962246e", kill_on_drop: false }`
[INFO] [stderr]    Compiling str_tools v0.1.0
[INFO] [stderr]    Compiling bogobble v0.1.1
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling err_tools v0.1.1
[INFO] [stderr]    Compiling ru_history v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.66s
[INFO] running `Command { std: "docker" "inspect" "885e10bc0c87df6f45144fa0749b18499115b380091c9440704c57ff5962246e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885e10bc0c87df6f45144fa0749b18499115b380091c9440704c57ff5962246e", kill_on_drop: false }`
[INFO] [stdout] 885e10bc0c87df6f45144fa0749b18499115b380091c9440704c57ff5962246e
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 225b63428e9a57083dfe4bbeb1d338495a4b599facc6b39d2a59852ba7de4146
[INFO] running `Command { std: "docker" "start" "-a" "225b63428e9a57083dfe4bbeb1d338495a4b599facc6b39d2a59852ba7de4146", kill_on_drop: false }`
[INFO] [stderr]    Compiling ru_history v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "225b63428e9a57083dfe4bbeb1d338495a4b599facc6b39d2a59852ba7de4146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225b63428e9a57083dfe4bbeb1d338495a4b599facc6b39d2a59852ba7de4146", kill_on_drop: false }`
[INFO] [stdout] 225b63428e9a57083dfe4bbeb1d338495a4b599facc6b39d2a59852ba7de4146
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4230fbd89705a853ff0f96b412eb4c2463e8df0026959af98fcfdce9c044f954
[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" "4230fbd89705a853ff0f96b412eb4c2463e8df0026959af98fcfdce9c044f954", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ru_history-6ea1a275a9abcd92)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sort::test::test_top_n ... ok
[INFO] [stdout] test tests::multi_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ru_history
[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" "4230fbd89705a853ff0f96b412eb4c2463e8df0026959af98fcfdce9c044f954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4230fbd89705a853ff0f96b412eb4c2463e8df0026959af98fcfdce9c044f954", kill_on_drop: false }`
[INFO] [stdout] 4230fbd89705a853ff0f96b412eb4c2463e8df0026959af98fcfdce9c044f954