[INFO] fetching crate mgc 0.0.0...
[INFO] testing mgc-0.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate mgc 0.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mgc 0.0.0 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 crates.io crate mgc 0.0.0
[INFO] finished tweaking crates.io crate mgc 0.0.0
[INFO] tweaked toml for crates.io crate mgc 0.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 944eb8f6bce987812f310575f2eb7d2bbb0791f848fa7a82c79c94751c0b9060
[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" "944eb8f6bce987812f310575f2eb7d2bbb0791f848fa7a82c79c94751c0b9060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944eb8f6bce987812f310575f2eb7d2bbb0791f848fa7a82c79c94751c0b9060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944eb8f6bce987812f310575f2eb7d2bbb0791f848fa7a82c79c94751c0b9060", kill_on_drop: false }`
[INFO] [stdout] 944eb8f6bce987812f310575f2eb7d2bbb0791f848fa7a82c79c94751c0b9060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e93562f5439e40801b703590ec7e7c84f3b4a6a5f10843df188cc3e70cf6900
[INFO] running `Command { std: "docker" "start" "-a" "7e93562f5439e40801b703590ec7e7c84f3b4a6a5f10843df188cc3e70cf6900", kill_on_drop: false }`
[INFO] [stderr]    Compiling mgc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "7e93562f5439e40801b703590ec7e7c84f3b4a6a5f10843df188cc3e70cf6900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e93562f5439e40801b703590ec7e7c84f3b4a6a5f10843df188cc3e70cf6900", kill_on_drop: false }`
[INFO] [stdout] 7e93562f5439e40801b703590ec7e7c84f3b4a6a5f10843df188cc3e70cf6900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2caa81ce685c83bb9a21701063297a26a89f7bfb74888c4eab23590aebb88e2b
[INFO] running `Command { std: "docker" "start" "-a" "2caa81ce685c83bb9a21701063297a26a89f7bfb74888c4eab23590aebb88e2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mgc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "2caa81ce685c83bb9a21701063297a26a89f7bfb74888c4eab23590aebb88e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2caa81ce685c83bb9a21701063297a26a89f7bfb74888c4eab23590aebb88e2b", kill_on_drop: false }`
[INFO] [stdout] 2caa81ce685c83bb9a21701063297a26a89f7bfb74888c4eab23590aebb88e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 769d5ee4f17636abfe4edcd11d605d2bf3131afb6cc8a40e7c3c397009b28a97
[INFO] running `Command { std: "docker" "start" "-a" "769d5ee4f17636abfe4edcd11d605d2bf3131afb6cc8a40e7c3c397009b28a97", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mgc-98d874e5fcb8768f)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests mgc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "769d5ee4f17636abfe4edcd11d605d2bf3131afb6cc8a40e7c3c397009b28a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769d5ee4f17636abfe4edcd11d605d2bf3131afb6cc8a40e7c3c397009b28a97", kill_on_drop: false }`
[INFO] [stdout] 769d5ee4f17636abfe4edcd11d605d2bf3131afb6cc8a40e7c3c397009b28a97