[INFO] cloning repository https://github.com/pranav97/rust-linear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pranav97/rust-linear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ebdb86511f066414708f5534a0b46c64561e2e2
[INFO] testing pranav97/rust-linear against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pranav97/rust-linear on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pranav97/rust-linear
[INFO] finished tweaking git repo https://github.com/pranav97/rust-linear
[INFO] tweaked toml for git repo https://github.com/pranav97/rust-linear written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pranav97/rust-linear already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2d711cfada017470e6cbe15c79a57e9e65d4bcb492c999bc0db82f31a32abde
[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" "a2d711cfada017470e6cbe15c79a57e9e65d4bcb492c999bc0db82f31a32abde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2d711cfada017470e6cbe15c79a57e9e65d4bcb492c999bc0db82f31a32abde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d711cfada017470e6cbe15c79a57e9e65d4bcb492c999bc0db82f31a32abde", kill_on_drop: false }`
[INFO] [stdout] a2d711cfada017470e6cbe15c79a57e9e65d4bcb492c999bc0db82f31a32abde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--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] 35c91eee86ffa34b5fcb840a80ee5c22d6e206b817d0de6db379e8a2f4537847
[INFO] running `Command { std: "docker" "start" "-a" "35c91eee86ffa34b5fcb840a80ee5c22d6e206b817d0de6db379e8a2f4537847", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_thread v0.1.0 (/opt/rustwide/workdir/single_thread)
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling multi_thread v0.1.0 (/opt/rustwide/workdir/multi_thread)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "35c91eee86ffa34b5fcb840a80ee5c22d6e206b817d0de6db379e8a2f4537847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c91eee86ffa34b5fcb840a80ee5c22d6e206b817d0de6db379e8a2f4537847", kill_on_drop: false }`
[INFO] [stdout] 35c91eee86ffa34b5fcb840a80ee5c22d6e206b817d0de6db379e8a2f4537847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f7463bf8430a943b541b30839bea319d2a44d557a04a3b0484269049b7fff54
[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" "9f7463bf8430a943b541b30839bea319d2a44d557a04a3b0484269049b7fff54", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_thread v0.1.0 (/opt/rustwide/workdir/single_thread)
[INFO] [stderr]    Compiling multi_thread v0.1.0 (/opt/rustwide/workdir/multi_thread)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "9f7463bf8430a943b541b30839bea319d2a44d557a04a3b0484269049b7fff54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7463bf8430a943b541b30839bea319d2a44d557a04a3b0484269049b7fff54", kill_on_drop: false }`
[INFO] [stdout] 9f7463bf8430a943b541b30839bea319d2a44d557a04a3b0484269049b7fff54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83a95b2ee3c3a7b2b8bddbab111040f9afadd5165b332214d6a1350a091b53a1
[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" "83a95b2ee3c3a7b2b8bddbab111040f9afadd5165b332214d6a1350a091b53a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multi_thread-366510fc3611e18b)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/single_thread-2379454820092122)
[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] [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" "83a95b2ee3c3a7b2b8bddbab111040f9afadd5165b332214d6a1350a091b53a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a95b2ee3c3a7b2b8bddbab111040f9afadd5165b332214d6a1350a091b53a1", kill_on_drop: false }`
[INFO] [stdout] 83a95b2ee3c3a7b2b8bddbab111040f9afadd5165b332214d6a1350a091b53a1