[INFO] fetching crate nudge 0.2.1...
[INFO] testing nudge-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nudge 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nudge 0.2.1 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 nudge 0.2.1
[INFO] finished tweaking crates.io crate nudge 0.2.1
[INFO] tweaked toml for crates.io crate nudge 0.2.1 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] a3fa9d6adf3adb257c0de014aec092a6f6d79e71eb34b7ecc45ec120596d035c
[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" "a3fa9d6adf3adb257c0de014aec092a6f6d79e71eb34b7ecc45ec120596d035c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3fa9d6adf3adb257c0de014aec092a6f6d79e71eb34b7ecc45ec120596d035c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fa9d6adf3adb257c0de014aec092a6f6d79e71eb34b7ecc45ec120596d035c", kill_on_drop: false }`
[INFO] [stdout] a3fa9d6adf3adb257c0de014aec092a6f6d79e71eb34b7ecc45ec120596d035c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a9a33ceff23705cbd05c3a31c8cff8d6c1ebaa6ce6c4b7955a9010493f038e2a
[INFO] running `Command { std: "docker" "start" "-a" "a9a33ceff23705cbd05c3a31c8cff8d6c1ebaa6ce6c4b7955a9010493f038e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nudge v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "a9a33ceff23705cbd05c3a31c8cff8d6c1ebaa6ce6c4b7955a9010493f038e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a33ceff23705cbd05c3a31c8cff8d6c1ebaa6ce6c4b7955a9010493f038e2a", kill_on_drop: false }`
[INFO] [stdout] a9a33ceff23705cbd05c3a31c8cff8d6c1ebaa6ce6c4b7955a9010493f038e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 72f9f3ef299db12c0c58f6ef748d662fe7a541943a7b1e003041c1389c1a2ab6
[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" "72f9f3ef299db12c0c58f6ef748d662fe7a541943a7b1e003041c1389c1a2ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling nudge v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "72f9f3ef299db12c0c58f6ef748d662fe7a541943a7b1e003041c1389c1a2ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f9f3ef299db12c0c58f6ef748d662fe7a541943a7b1e003041c1389c1a2ab6", kill_on_drop: false }`
[INFO] [stdout] 72f9f3ef299db12c0c58f6ef748d662fe7a541943a7b1e003041c1389c1a2ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 56e68bbd7a1e4e49cec479d25b1b531b7cd0af9bd31bc1a62be0c7e0ab4ef5ec
[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" "56e68bbd7a1e4e49cec479d25b1b531b7cd0af9bd31bc1a62be0c7e0ab4ef5ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nudge-a357903ef143695e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nudge
[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] [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" "56e68bbd7a1e4e49cec479d25b1b531b7cd0af9bd31bc1a62be0c7e0ab4ef5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e68bbd7a1e4e49cec479d25b1b531b7cd0af9bd31bc1a62be0c7e0ab4ef5ec", kill_on_drop: false }`
[INFO] [stdout] 56e68bbd7a1e4e49cec479d25b1b531b7cd0af9bd31bc1a62be0c7e0ab4ef5ec