[INFO] fetching crate luhncalc 1.0.1...
[INFO] testing luhncalc-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate luhncalc 1.0.1 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate luhncalc 1.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luhncalc 1.0.1
[INFO] finished tweaking crates.io crate luhncalc 1.0.1
[INFO] tweaked toml for crates.io crate luhncalc 1.0.1 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate crates.io crate luhncalc 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d2374ea40040117a84954a289457099dff48e84eb2b0385c48b09ba45c5b1ab
[INFO] running `Command { std: "docker" "start" "-a" "7d2374ea40040117a84954a289457099dff48e84eb2b0385c48b09ba45c5b1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d2374ea40040117a84954a289457099dff48e84eb2b0385c48b09ba45c5b1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2374ea40040117a84954a289457099dff48e84eb2b0385c48b09ba45c5b1ab", kill_on_drop: false }`
[INFO] [stdout] 7d2374ea40040117a84954a289457099dff48e84eb2b0385c48b09ba45c5b1ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6247f7ee6dc973b544744d894468a78e1db37d6ec2c2550f136066fe539b7855
[INFO] running `Command { std: "docker" "start" "-a" "6247f7ee6dc973b544744d894468a78e1db37d6ec2c2550f136066fe539b7855", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling digits_iterator v0.1.0
[INFO] [stderr]    Compiling luhn v1.0.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling luhncalc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.14s
[INFO] running `Command { std: "docker" "inspect" "6247f7ee6dc973b544744d894468a78e1db37d6ec2c2550f136066fe539b7855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6247f7ee6dc973b544744d894468a78e1db37d6ec2c2550f136066fe539b7855", kill_on_drop: false }`
[INFO] [stdout] 6247f7ee6dc973b544744d894468a78e1db37d6ec2c2550f136066fe539b7855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98aafedb922942ccf7e487f8912cbdb87665e0348dab06b4f7ca9273bccc3890
[INFO] running `Command { std: "docker" "start" "-a" "98aafedb922942ccf7e487f8912cbdb87665e0348dab06b4f7ca9273bccc3890", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling luhncalc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "98aafedb922942ccf7e487f8912cbdb87665e0348dab06b4f7ca9273bccc3890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98aafedb922942ccf7e487f8912cbdb87665e0348dab06b4f7ca9273bccc3890", kill_on_drop: false }`
[INFO] [stdout] 98aafedb922942ccf7e487f8912cbdb87665e0348dab06b4f7ca9273bccc3890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4cd3556e716edc0c8eadac290741a07bc08724446a3a77feecac03ad8b71520
[INFO] running `Command { std: "docker" "start" "-a" "c4cd3556e716edc0c8eadac290741a07bc08724446a3a77feecac03ad8b71520", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luhncalc-b3a79792bc211ff0)
[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" "c4cd3556e716edc0c8eadac290741a07bc08724446a3a77feecac03ad8b71520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cd3556e716edc0c8eadac290741a07bc08724446a3a77feecac03ad8b71520", kill_on_drop: false }`
[INFO] [stdout] c4cd3556e716edc0c8eadac290741a07bc08724446a3a77feecac03ad8b71520