[INFO] fetching crate arena-rs 0.1.1...
[INFO] testing arena-rs-0.1.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate arena-rs 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate arena-rs 0.1.1 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 arena-rs 0.1.1
[INFO] finished tweaking crates.io crate arena-rs 0.1.1
[INFO] tweaked toml for crates.io crate arena-rs 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate arena-rs 0.1.1 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4f7e5c18d2f3a71c216999bc0f628f81c72f0f453df13a76ba7c3af59f237f76
[INFO] running `Command { std: "docker" "start" "-a" "4f7e5c18d2f3a71c216999bc0f628f81c72f0f453df13a76ba7c3af59f237f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f7e5c18d2f3a71c216999bc0f628f81c72f0f453df13a76ba7c3af59f237f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7e5c18d2f3a71c216999bc0f628f81c72f0f453df13a76ba7c3af59f237f76", kill_on_drop: false }`
[INFO] [stdout] 4f7e5c18d2f3a71c216999bc0f628f81c72f0f453df13a76ba7c3af59f237f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2dc63f2ea43e55767061819b8c848278fe94f03de8117314c9e2285d27ea76a3
[INFO] running `Command { std: "docker" "start" "-a" "2dc63f2ea43e55767061819b8c848278fe94f03de8117314c9e2285d27ea76a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling arena-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "2dc63f2ea43e55767061819b8c848278fe94f03de8117314c9e2285d27ea76a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc63f2ea43e55767061819b8c848278fe94f03de8117314c9e2285d27ea76a3", kill_on_drop: false }`
[INFO] [stdout] 2dc63f2ea43e55767061819b8c848278fe94f03de8117314c9e2285d27ea76a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b20db27fa703ebe969c32483891b8db60300e711ad711cd30c70d38e11bb439b
[INFO] running `Command { std: "docker" "start" "-a" "b20db27fa703ebe969c32483891b8db60300e711ad711cd30c70d38e11bb439b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arena-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "b20db27fa703ebe969c32483891b8db60300e711ad711cd30c70d38e11bb439b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20db27fa703ebe969c32483891b8db60300e711ad711cd30c70d38e11bb439b", kill_on_drop: false }`
[INFO] [stdout] b20db27fa703ebe969c32483891b8db60300e711ad711cd30c70d38e11bb439b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b1532a5d6759575ac7924e634a9ca070ed4b8e4eebf447964d6bec424a55d01d
[INFO] running `Command { std: "docker" "start" "-a" "b1532a5d6759575ac7924e634a9ca070ed4b8e4eebf447964d6bec424a55d01d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arena_rs-61cd6bab6806556c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test out_of_space ... ok
[INFO] [stdout] test multiple_allocations ... ok
[INFO] [stdout] test single_allocation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arena-rs
[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" "b1532a5d6759575ac7924e634a9ca070ed4b8e4eebf447964d6bec424a55d01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1532a5d6759575ac7924e634a9ca070ed4b8e4eebf447964d6bec424a55d01d", kill_on_drop: false }`
[INFO] [stdout] b1532a5d6759575ac7924e634a9ca070ed4b8e4eebf447964d6bec424a55d01d