[INFO] fetching crate isle 0.0.0-reserve...
[INFO] testing isle-0.0.0-reserve against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate isle 0.0.0-reserve into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate isle 0.0.0-reserve on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isle 0.0.0-reserve
[INFO] finished tweaking crates.io crate isle 0.0.0-reserve
[INFO] tweaked toml for crates.io crate isle 0.0.0-reserve written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate isle 0.0.0-reserve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0dd8a8e4c2e7c95a1f1e03398590dbf5b953c2830ce13ab0b1ecb00add1a7f0
[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" "f0dd8a8e4c2e7c95a1f1e03398590dbf5b953c2830ce13ab0b1ecb00add1a7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0dd8a8e4c2e7c95a1f1e03398590dbf5b953c2830ce13ab0b1ecb00add1a7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0dd8a8e4c2e7c95a1f1e03398590dbf5b953c2830ce13ab0b1ecb00add1a7f0", kill_on_drop: false }`
[INFO] [stdout] f0dd8a8e4c2e7c95a1f1e03398590dbf5b953c2830ce13ab0b1ecb00add1a7f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5db536e62d5a8412e17829ebb3e4fa42f70d759f5745a76464eb33e55b6921b
[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" "b5db536e62d5a8412e17829ebb3e4fa42f70d759f5745a76464eb33e55b6921b", kill_on_drop: false }`
[INFO] [stderr]    Compiling isle v0.0.0-reserve (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "b5db536e62d5a8412e17829ebb3e4fa42f70d759f5745a76464eb33e55b6921b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5db536e62d5a8412e17829ebb3e4fa42f70d759f5745a76464eb33e55b6921b", kill_on_drop: false }`
[INFO] [stdout] b5db536e62d5a8412e17829ebb3e4fa42f70d759f5745a76464eb33e55b6921b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 4224b43d5a52b85e1c8e4bf8b0c00dfeaa623e74f8211499977d9b77b0d17d4c
[INFO] running `Command { std: "docker" "start" "-a" "4224b43d5a52b85e1c8e4bf8b0c00dfeaa623e74f8211499977d9b77b0d17d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling isle v0.0.0-reserve (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "4224b43d5a52b85e1c8e4bf8b0c00dfeaa623e74f8211499977d9b77b0d17d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4224b43d5a52b85e1c8e4bf8b0c00dfeaa623e74f8211499977d9b77b0d17d4c", kill_on_drop: false }`
[INFO] [stdout] 4224b43d5a52b85e1c8e4bf8b0c00dfeaa623e74f8211499977d9b77b0d17d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a54474a3b9d0876022447f98e1500a371182f69273580c4375029b7505fb6625
[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" "a54474a3b9d0876022447f98e1500a371182f69273580c4375029b7505fb6625", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/isle-8e6b98ec32718b6c)
[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" "a54474a3b9d0876022447f98e1500a371182f69273580c4375029b7505fb6625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54474a3b9d0876022447f98e1500a371182f69273580c4375029b7505fb6625", kill_on_drop: false }`
[INFO] [stdout] a54474a3b9d0876022447f98e1500a371182f69273580c4375029b7505fb6625