[INFO] fetching crate shackle 0.1.0...
[INFO] testing shackle-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate shackle 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate shackle 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shackle 0.1.0
[INFO] finished tweaking crates.io crate shackle 0.1.0
[INFO] tweaked toml for crates.io crate shackle 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 998aece182a4003139aafe11103c91095f08952926e9749603dd50bb80cc7fdb
[INFO] running `Command { std: "docker" "start" "-a" "998aece182a4003139aafe11103c91095f08952926e9749603dd50bb80cc7fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "998aece182a4003139aafe11103c91095f08952926e9749603dd50bb80cc7fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998aece182a4003139aafe11103c91095f08952926e9749603dd50bb80cc7fdb", kill_on_drop: false }`
[INFO] [stdout] 998aece182a4003139aafe11103c91095f08952926e9749603dd50bb80cc7fdb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e24a4f10aa167578c8150bfb12230feec0d999fc55f799809ed5ffdf994a535
[INFO] running `Command { std: "docker" "start" "-a" "5e24a4f10aa167578c8150bfb12230feec0d999fc55f799809ed5ffdf994a535", kill_on_drop: false }`
[INFO] [stderr]    Compiling shackle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "5e24a4f10aa167578c8150bfb12230feec0d999fc55f799809ed5ffdf994a535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e24a4f10aa167578c8150bfb12230feec0d999fc55f799809ed5ffdf994a535", kill_on_drop: false }`
[INFO] [stdout] 5e24a4f10aa167578c8150bfb12230feec0d999fc55f799809ed5ffdf994a535
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77694a56994e6af47b31e266e708d002264b5fde529872e00037a87ca8e28b2e
[INFO] running `Command { std: "docker" "start" "-a" "77694a56994e6af47b31e266e708d002264b5fde529872e00037a87ca8e28b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling shackle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "77694a56994e6af47b31e266e708d002264b5fde529872e00037a87ca8e28b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77694a56994e6af47b31e266e708d002264b5fde529872e00037a87ca8e28b2e", kill_on_drop: false }`
[INFO] [stdout] 77694a56994e6af47b31e266e708d002264b5fde529872e00037a87ca8e28b2e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f727b4c4816339fc8b4d348a531106c621e15fe3c098a9ea72d18af5298a6bb
[INFO] running `Command { std: "docker" "start" "-a" "8f727b4c4816339fc8b4d348a531106c621e15fe3c098a9ea72d18af5298a6bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shackle-977bda8007c4896d)
[INFO] [stderr]    Doc-tests shackle
[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] [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" "8f727b4c4816339fc8b4d348a531106c621e15fe3c098a9ea72d18af5298a6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f727b4c4816339fc8b4d348a531106c621e15fe3c098a9ea72d18af5298a6bb", kill_on_drop: false }`
[INFO] [stdout] 8f727b4c4816339fc8b4d348a531106c621e15fe3c098a9ea72d18af5298a6bb