[INFO] fetching crate ackr 1.1.0...
[INFO] testing ackr-1.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ackr 1.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate ackr 1.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ackr 1.1.0
[INFO] finished tweaking crates.io crate ackr 1.1.0
[INFO] tweaked toml for crates.io crate ackr 1.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a1ab0dbcf015889d7faad8bee7d57b06dc510c86668a7813a2929670c187c77
[INFO] running `Command { std: "docker" "start" "-a" "8a1ab0dbcf015889d7faad8bee7d57b06dc510c86668a7813a2929670c187c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a1ab0dbcf015889d7faad8bee7d57b06dc510c86668a7813a2929670c187c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1ab0dbcf015889d7faad8bee7d57b06dc510c86668a7813a2929670c187c77", kill_on_drop: false }`
[INFO] [stdout] 8a1ab0dbcf015889d7faad8bee7d57b06dc510c86668a7813a2929670c187c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 411e5dd076f06cb58d8c877255ea9e224c8092538c9c11ccbc743aefe71a58fb
[INFO] running `Command { std: "docker" "start" "-a" "411e5dd076f06cb58d8c877255ea9e224c8092538c9c11ccbc743aefe71a58fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ackr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "411e5dd076f06cb58d8c877255ea9e224c8092538c9c11ccbc743aefe71a58fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411e5dd076f06cb58d8c877255ea9e224c8092538c9c11ccbc743aefe71a58fb", kill_on_drop: false }`
[INFO] [stdout] 411e5dd076f06cb58d8c877255ea9e224c8092538c9c11ccbc743aefe71a58fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e594cdea39e24edc5ac92de137fc2e6bc59b1998cc31a054fcbfe6acb3a0abd
[INFO] running `Command { std: "docker" "start" "-a" "2e594cdea39e24edc5ac92de137fc2e6bc59b1998cc31a054fcbfe6acb3a0abd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ackr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.26s
[INFO] running `Command { std: "docker" "inspect" "2e594cdea39e24edc5ac92de137fc2e6bc59b1998cc31a054fcbfe6acb3a0abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e594cdea39e24edc5ac92de137fc2e6bc59b1998cc31a054fcbfe6acb3a0abd", kill_on_drop: false }`
[INFO] [stdout] 2e594cdea39e24edc5ac92de137fc2e6bc59b1998cc31a054fcbfe6acb3a0abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 393da7bc2c8d9fb98c07cdcfef15059f241dfe53b54d81d3c1dc78c686b265d7
[INFO] running `Command { std: "docker" "start" "-a" "393da7bc2c8d9fb98c07cdcfef15059f241dfe53b54d81d3c1dc78c686b265d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ackr-c908e82a5d109f19)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::ack ... ok
[INFO] [stdout] test test::ack_2 ... ok
[INFO] [stdout] test test::new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ackr
[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" "393da7bc2c8d9fb98c07cdcfef15059f241dfe53b54d81d3c1dc78c686b265d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393da7bc2c8d9fb98c07cdcfef15059f241dfe53b54d81d3c1dc78c686b265d7", kill_on_drop: false }`
[INFO] [stdout] 393da7bc2c8d9fb98c07cdcfef15059f241dfe53b54d81d3c1dc78c686b265d7