[INFO] fetching crate guard-trait 0.4.1...
[INFO] testing guard-trait-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate guard-trait 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate guard-trait 0.4.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guard-trait 0.4.1
[INFO] finished tweaking crates.io crate guard-trait 0.4.1
[INFO] tweaked toml for crates.io crate guard-trait 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e37a8914fe78ef806e8e8d5e19b2159668c28a6a3fc8cfc25230243e2fe9dcd3
[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" "e37a8914fe78ef806e8e8d5e19b2159668c28a6a3fc8cfc25230243e2fe9dcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e37a8914fe78ef806e8e8d5e19b2159668c28a6a3fc8cfc25230243e2fe9dcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37a8914fe78ef806e8e8d5e19b2159668c28a6a3fc8cfc25230243e2fe9dcd3", kill_on_drop: false }`
[INFO] [stdout] e37a8914fe78ef806e8e8d5e19b2159668c28a6a3fc8cfc25230243e2fe9dcd3
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7033b73f293956592e783e93c8357e735523d5146bcba78b02d865d011dc5bf4
[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" "7033b73f293956592e783e93c8357e735523d5146bcba78b02d865d011dc5bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling guard-trait v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "7033b73f293956592e783e93c8357e735523d5146bcba78b02d865d011dc5bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7033b73f293956592e783e93c8357e735523d5146bcba78b02d865d011dc5bf4", kill_on_drop: false }`
[INFO] [stdout] 7033b73f293956592e783e93c8357e735523d5146bcba78b02d865d011dc5bf4
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beeb6682b077692b9d3a7e34eae06088d1f69dbe161fc076b83af50562e3c36c
[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" "beeb6682b077692b9d3a7e34eae06088d1f69dbe161fc076b83af50562e3c36c", kill_on_drop: false }`
[INFO] [stderr]    Compiling guard-trait v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "beeb6682b077692b9d3a7e34eae06088d1f69dbe161fc076b83af50562e3c36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beeb6682b077692b9d3a7e34eae06088d1f69dbe161fc076b83af50562e3c36c", kill_on_drop: false }`
[INFO] [stdout] beeb6682b077692b9d3a7e34eae06088d1f69dbe161fc076b83af50562e3c36c
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4bc46343d34e9b8c18503efaf14ca682211764e122e8c1fdf792123ae8e0aaa6
[INFO] running `Command { std: "docker" "start" "-a" "4bc46343d34e9b8c18503efaf14ca682211764e122e8c1fdf792123ae8e0aaa6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guard_trait-3bca127ac5560eb5
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::mapped ... ok
[INFO] [stderr]    Doc-tests guard-trait
[INFO] [stdout] test tests::basic_types_implement_guarded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bc46343d34e9b8c18503efaf14ca682211764e122e8c1fdf792123ae8e0aaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc46343d34e9b8c18503efaf14ca682211764e122e8c1fdf792123ae8e0aaa6", kill_on_drop: false }`
[INFO] [stdout] 4bc46343d34e9b8c18503efaf14ca682211764e122e8c1fdf792123ae8e0aaa6