[INFO] fetching crate mcl_derive 0.5.0-alpha...
[INFO] testing mcl_derive-0.5.0-alpha against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate mcl_derive 0.5.0-alpha into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mcl_derive 0.5.0-alpha 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 mcl_derive 0.5.0-alpha
[INFO] finished tweaking crates.io crate mcl_derive 0.5.0-alpha
[INFO] tweaked toml for crates.io crate mcl_derive 0.5.0-alpha written to /workspace/builds/worker-7/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-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", 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] cd25aed712bb3513c9e7ea35eaf392b520c6be47c9415abc93bcd867ba659454
[INFO] running `Command { std: "docker" "start" "-a" "cd25aed712bb3513c9e7ea35eaf392b520c6be47c9415abc93bcd867ba659454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd25aed712bb3513c9e7ea35eaf392b520c6be47c9415abc93bcd867ba659454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd25aed712bb3513c9e7ea35eaf392b520c6be47c9415abc93bcd867ba659454", kill_on_drop: false }`
[INFO] [stdout] cd25aed712bb3513c9e7ea35eaf392b520c6be47c9415abc93bcd867ba659454
[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" "+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] 2e7c4a20ae67b33cea2d6a685fbfca54cf4b54ec2150f93e9f13c7701e1cd92a
[INFO] running `Command { std: "docker" "start" "-a" "2e7c4a20ae67b33cea2d6a685fbfca54cf4b54ec2150f93e9f13c7701e1cd92a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling mcl_derive v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `Command { std: "docker" "inspect" "2e7c4a20ae67b33cea2d6a685fbfca54cf4b54ec2150f93e9f13c7701e1cd92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7c4a20ae67b33cea2d6a685fbfca54cf4b54ec2150f93e9f13c7701e1cd92a", kill_on_drop: false }`
[INFO] [stdout] 2e7c4a20ae67b33cea2d6a685fbfca54cf4b54ec2150f93e9f13c7701e1cd92a
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cbffa4b0234d332485aec9201795321e8a02da3db6ee8b1895db6aab6b78550
[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" "9cbffa4b0234d332485aec9201795321e8a02da3db6ee8b1895db6aab6b78550", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcl_derive v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "9cbffa4b0234d332485aec9201795321e8a02da3db6ee8b1895db6aab6b78550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbffa4b0234d332485aec9201795321e8a02da3db6ee8b1895db6aab6b78550", kill_on_drop: false }`
[INFO] [stdout] 9cbffa4b0234d332485aec9201795321e8a02da3db6ee8b1895db6aab6b78550
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7ceeb04873c2074c8d09fbc024fb5a0b328cbd4aad328a983d472bd1c92c14f
[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" "e7ceeb04873c2074c8d09fbc024fb5a0b328cbd4aad328a983d472bd1c92c14f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcl_derive-835520737b71edc3)
[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] [stderr]    Doc-tests mcl_derive
[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" "e7ceeb04873c2074c8d09fbc024fb5a0b328cbd4aad328a983d472bd1c92c14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ceeb04873c2074c8d09fbc024fb5a0b328cbd4aad328a983d472bd1c92c14f", kill_on_drop: false }`
[INFO] [stdout] e7ceeb04873c2074c8d09fbc024fb5a0b328cbd4aad328a983d472bd1c92c14f