[INFO] fetching crate turingarena-iospec 0.1.0...
[INFO] testing turingarena-iospec-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate turingarena-iospec 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate turingarena-iospec 0.1.0 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 turingarena-iospec 0.1.0
[INFO] finished tweaking crates.io crate turingarena-iospec 0.1.0
[INFO] tweaked toml for crates.io crate turingarena-iospec 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate turingarena-iospec 0.1.0 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 011e487da1a97baaed054c40a3417c7931589a8709e99dce6cc103beb4db7195
[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" "011e487da1a97baaed054c40a3417c7931589a8709e99dce6cc103beb4db7195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "011e487da1a97baaed054c40a3417c7931589a8709e99dce6cc103beb4db7195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011e487da1a97baaed054c40a3417c7931589a8709e99dce6cc103beb4db7195", kill_on_drop: false }`
[INFO] [stdout] 011e487da1a97baaed054c40a3417c7931589a8709e99dce6cc103beb4db7195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8a7d3e865c9f1becfff5cdb5c1dd77cb0a4d2ae8b0a1319ef4158d5f63c70ab5
[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" "8a7d3e865c9f1becfff5cdb5c1dd77cb0a4d2ae8b0a1319ef4158d5f63c70ab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling relative-path v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling yansi-term v0.1.2
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling by_address v1.0.4
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling annotate-snippets v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling genco-macros v0.15.0
[INFO] [stderr]    Compiling genco v0.15.0
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling turingarena-iospec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.01s
[INFO] running `Command { std: "docker" "inspect" "8a7d3e865c9f1becfff5cdb5c1dd77cb0a4d2ae8b0a1319ef4158d5f63c70ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7d3e865c9f1becfff5cdb5c1dd77cb0a4d2ae8b0a1319ef4158d5f63c70ab5", kill_on_drop: false }`
[INFO] [stdout] 8a7d3e865c9f1becfff5cdb5c1dd77cb0a4d2ae8b0a1319ef4158d5f63c70ab5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d952e13ecc223fa1cdf9a545015918442498d0a351de1fdf0d1f49bb66a2937d
[INFO] running `Command { std: "docker" "start" "-a" "d952e13ecc223fa1cdf9a545015918442498d0a351de1fdf0d1f49bb66a2937d", kill_on_drop: false }`
[INFO] [stderr]    Compiling turingarena-iospec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "d952e13ecc223fa1cdf9a545015918442498d0a351de1fdf0d1f49bb66a2937d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d952e13ecc223fa1cdf9a545015918442498d0a351de1fdf0d1f49bb66a2937d", kill_on_drop: false }`
[INFO] [stdout] d952e13ecc223fa1cdf9a545015918442498d0a351de1fdf0d1f49bb66a2937d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 28173ee1c8fec0445a9776e2927d75fc5e31e3e3f603174bc25fbf0590aa9339
[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" "28173ee1c8fec0445a9776e2927d75fc5e31e3e3f603174bc25fbf0590aa9339", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/turingarena_iospec-69f3a44f1b05f801)
[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" "28173ee1c8fec0445a9776e2927d75fc5e31e3e3f603174bc25fbf0590aa9339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28173ee1c8fec0445a9776e2927d75fc5e31e3e3f603174bc25fbf0590aa9339", kill_on_drop: false }`
[INFO] [stdout] 28173ee1c8fec0445a9776e2927d75fc5e31e3e3f603174bc25fbf0590aa9339