[INFO] fetching crate quiver 0.0.1...
[INFO] testing quiver-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate quiver 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate quiver 0.0.1 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 quiver 0.0.1
[INFO] finished tweaking crates.io crate quiver 0.0.1
[INFO] tweaked toml for crates.io crate quiver 0.0.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b3a18dc9f8c7de8e60e49c59a5a91974d89b01b0f3e479c8c323bc8f6d33065f
[INFO] running `Command { std: "docker" "start" "-a" "b3a18dc9f8c7de8e60e49c59a5a91974d89b01b0f3e479c8c323bc8f6d33065f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3a18dc9f8c7de8e60e49c59a5a91974d89b01b0f3e479c8c323bc8f6d33065f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a18dc9f8c7de8e60e49c59a5a91974d89b01b0f3e479c8c323bc8f6d33065f", kill_on_drop: false }`
[INFO] [stdout] b3a18dc9f8c7de8e60e49c59a5a91974d89b01b0f3e479c8c323bc8f6d33065f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] dda8b88f7b0860ecc592e64bafe3f45f8b96dd427713fcae67e08df8dc4160f1
[INFO] running `Command { std: "docker" "start" "-a" "dda8b88f7b0860ecc592e64bafe3f45f8b96dd427713fcae67e08df8dc4160f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling quiver v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "dda8b88f7b0860ecc592e64bafe3f45f8b96dd427713fcae67e08df8dc4160f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda8b88f7b0860ecc592e64bafe3f45f8b96dd427713fcae67e08df8dc4160f1", kill_on_drop: false }`
[INFO] [stdout] dda8b88f7b0860ecc592e64bafe3f45f8b96dd427713fcae67e08df8dc4160f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] cd845c1f215ba6f0e5d361260b34594bfd3dfd70103430d3b77af4eef9a932c5
[INFO] running `Command { std: "docker" "start" "-a" "cd845c1f215ba6f0e5d361260b34594bfd3dfd70103430d3b77af4eef9a932c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling quiver v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "cd845c1f215ba6f0e5d361260b34594bfd3dfd70103430d3b77af4eef9a932c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd845c1f215ba6f0e5d361260b34594bfd3dfd70103430d3b77af4eef9a932c5", kill_on_drop: false }`
[INFO] [stdout] cd845c1f215ba6f0e5d361260b34594bfd3dfd70103430d3b77af4eef9a932c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 3d085ba05a310142af6d9b5201317e61f8d07a22b53c126046054eaf316a43a2
[INFO] running `Command { std: "docker" "start" "-a" "3d085ba05a310142af6d9b5201317e61f8d07a22b53c126046054eaf316a43a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quiver-305064b16e508a9b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quiver
[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" "3d085ba05a310142af6d9b5201317e61f8d07a22b53c126046054eaf316a43a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d085ba05a310142af6d9b5201317e61f8d07a22b53c126046054eaf316a43a2", kill_on_drop: false }`
[INFO] [stdout] 3d085ba05a310142af6d9b5201317e61f8d07a22b53c126046054eaf316a43a2