[INFO] cloning repository https://github.com/berkus/mre-write_to
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berkus/mre-write_to" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberkus%2Fmre-write_to", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberkus%2Fmre-write_to'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0dca907fc0573b643ad076f12c3f0515665cabf
[INFO] testing berkus/mre-write_to against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberkus%2Fmre-write_to" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/berkus/mre-write_to on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/berkus/mre-write_to
[INFO] finished tweaking git repo https://github.com/berkus/mre-write_to
[INFO] tweaked toml for git repo https://github.com/berkus/mre-write_to written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/berkus/mre-write_to already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6da51b3e5239e7df424ac71f499f8265587631fa5aa718c51eb275ce86ee114
[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" "b6da51b3e5239e7df424ac71f499f8265587631fa5aa718c51eb275ce86ee114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6da51b3e5239e7df424ac71f499f8265587631fa5aa718c51eb275ce86ee114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6da51b3e5239e7df424ac71f499f8265587631fa5aa718c51eb275ce86ee114", kill_on_drop: false }`
[INFO] [stdout] b6da51b3e5239e7df424ac71f499f8265587631fa5aa718c51eb275ce86ee114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88bce836cbdd8beb2425733793d2c59fb8ca54e2caf695f4303102898ea1c802
[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" "88bce836cbdd8beb2425733793d2c59fb8ca54e2caf695f4303102898ea1c802", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-write-to v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "88bce836cbdd8beb2425733793d2c59fb8ca54e2caf695f4303102898ea1c802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bce836cbdd8beb2425733793d2c59fb8ca54e2caf695f4303102898ea1c802", kill_on_drop: false }`
[INFO] [stdout] 88bce836cbdd8beb2425733793d2c59fb8ca54e2caf695f4303102898ea1c802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 2fbc337fd2dde9f77671f4de45fa4e920749f465ef7d8e72dbb9a5d0e713850b
[INFO] running `Command { std: "docker" "start" "-a" "2fbc337fd2dde9f77671f4de45fa4e920749f465ef7d8e72dbb9a5d0e713850b", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-write-to v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "2fbc337fd2dde9f77671f4de45fa4e920749f465ef7d8e72dbb9a5d0e713850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbc337fd2dde9f77671f4de45fa4e920749f465ef7d8e72dbb9a5d0e713850b", kill_on_drop: false }`
[INFO] [stdout] 2fbc337fd2dde9f77671f4de45fa4e920749f465ef7d8e72dbb9a5d0e713850b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] 29b963d629c4fc5fe91d6b99263c07f98c2c1236dfb4ca9d879b67769fe2d68f
[INFO] running `Command { std: "docker" "start" "-a" "29b963d629c4fc5fe91d6b99263c07f98c2c1236dfb4ca9d879b67769fe2d68f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_write_to-ff9f8a1522cba215)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] Converting to str
[INFO] [stdout] test tests::write_to_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29b963d629c4fc5fe91d6b99263c07f98c2c1236dfb4ca9d879b67769fe2d68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b963d629c4fc5fe91d6b99263c07f98c2c1236dfb4ca9d879b67769fe2d68f", kill_on_drop: false }`
[INFO] [stdout] 29b963d629c4fc5fe91d6b99263c07f98c2c1236dfb4ca9d879b67769fe2d68f