[INFO] fetching crate crate-50000 500.0.0...
[INFO] testing crate-50000-500.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate crate-50000 500.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate crate-50000 500.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crate-50000 500.0.0
[INFO] finished tweaking crates.io crate crate-50000 500.0.0
[INFO] tweaked toml for crates.io crate crate-50000 500.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate crate-50000 500.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7981910c7df46b8a0ebc9400eb3e58f151d5aba7bf5ed5fb6e08f72c303b90b7
[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" "7981910c7df46b8a0ebc9400eb3e58f151d5aba7bf5ed5fb6e08f72c303b90b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7981910c7df46b8a0ebc9400eb3e58f151d5aba7bf5ed5fb6e08f72c303b90b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7981910c7df46b8a0ebc9400eb3e58f151d5aba7bf5ed5fb6e08f72c303b90b7", kill_on_drop: false }`
[INFO] [stdout] 7981910c7df46b8a0ebc9400eb3e58f151d5aba7bf5ed5fb6e08f72c303b90b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] a84002bdc93e78775bca62ec903b39dad64563c84fc519d4365ef2f05ffe6875
[INFO] running `Command { std: "docker" "start" "-a" "a84002bdc93e78775bca62ec903b39dad64563c84fc519d4365ef2f05ffe6875", kill_on_drop: false }`
[INFO] [stderr]    Compiling crate-50000 v500.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "a84002bdc93e78775bca62ec903b39dad64563c84fc519d4365ef2f05ffe6875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84002bdc93e78775bca62ec903b39dad64563c84fc519d4365ef2f05ffe6875", kill_on_drop: false }`
[INFO] [stdout] a84002bdc93e78775bca62ec903b39dad64563c84fc519d4365ef2f05ffe6875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 1b716e7017215ff9c1faa233232d95336bcddbd0b964e6811016663d300ccbcd
[INFO] running `Command { std: "docker" "start" "-a" "1b716e7017215ff9c1faa233232d95336bcddbd0b964e6811016663d300ccbcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling crate-50000 v500.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "1b716e7017215ff9c1faa233232d95336bcddbd0b964e6811016663d300ccbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b716e7017215ff9c1faa233232d95336bcddbd0b964e6811016663d300ccbcd", kill_on_drop: false }`
[INFO] [stdout] 1b716e7017215ff9c1faa233232d95336bcddbd0b964e6811016663d300ccbcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f9dddeab68bcd0df0600ed7b99636a561f7d86d34bc8b6902f9d0a5c49b01a1
[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" "2f9dddeab68bcd0df0600ed7b99636a561f7d86d34bc8b6902f9d0a5c49b01a1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crate_50000-acc216093333da9b)
[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" "2f9dddeab68bcd0df0600ed7b99636a561f7d86d34bc8b6902f9d0a5c49b01a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9dddeab68bcd0df0600ed7b99636a561f7d86d34bc8b6902f9d0a5c49b01a1", kill_on_drop: false }`
[INFO] [stdout] 2f9dddeab68bcd0df0600ed7b99636a561f7d86d34bc8b6902f9d0a5c49b01a1