[INFO] fetching crate flipbook 0.0.0...
[INFO] testing flipbook-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate flipbook 0.0.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate flipbook 0.0.0 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 flipbook 0.0.0
[INFO] finished tweaking crates.io crate flipbook 0.0.0
[INFO] tweaked toml for crates.io crate flipbook 0.0.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] c09085e404904ddfdfcd81b04cc5b837efb25548915287326e0860bbcfcba3f4
[INFO] running `Command { std: "docker" "start" "-a" "c09085e404904ddfdfcd81b04cc5b837efb25548915287326e0860bbcfcba3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c09085e404904ddfdfcd81b04cc5b837efb25548915287326e0860bbcfcba3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09085e404904ddfdfcd81b04cc5b837efb25548915287326e0860bbcfcba3f4", kill_on_drop: false }`
[INFO] [stdout] c09085e404904ddfdfcd81b04cc5b837efb25548915287326e0860bbcfcba3f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 729d8df99c8f616040bc3028a848a64ff552ac99bf33bc3c7ef470930928ac0d
[INFO] running `Command { std: "docker" "start" "-a" "729d8df99c8f616040bc3028a848a64ff552ac99bf33bc3c7ef470930928ac0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flipbook v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "729d8df99c8f616040bc3028a848a64ff552ac99bf33bc3c7ef470930928ac0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729d8df99c8f616040bc3028a848a64ff552ac99bf33bc3c7ef470930928ac0d", kill_on_drop: false }`
[INFO] [stdout] 729d8df99c8f616040bc3028a848a64ff552ac99bf33bc3c7ef470930928ac0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] e735e39708d9abba5cf522d928fb70ee031607af1926ecfa581a8c85fe5a3741
[INFO] running `Command { std: "docker" "start" "-a" "e735e39708d9abba5cf522d928fb70ee031607af1926ecfa581a8c85fe5a3741", kill_on_drop: false }`
[INFO] [stderr]    Compiling flipbook v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "e735e39708d9abba5cf522d928fb70ee031607af1926ecfa581a8c85fe5a3741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e735e39708d9abba5cf522d928fb70ee031607af1926ecfa581a8c85fe5a3741", kill_on_drop: false }`
[INFO] [stdout] e735e39708d9abba5cf522d928fb70ee031607af1926ecfa581a8c85fe5a3741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] fe33f5dc9b1c9200d90d950fe56357d624e4bc0154822abd3acdeab11741ba51
[INFO] running `Command { std: "docker" "start" "-a" "fe33f5dc9b1c9200d90d950fe56357d624e4bc0154822abd3acdeab11741ba51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flipbook-9ad8bc7eca6bd9cd)
[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] [stderr]    Doc-tests flipbook
[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" "fe33f5dc9b1c9200d90d950fe56357d624e4bc0154822abd3acdeab11741ba51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe33f5dc9b1c9200d90d950fe56357d624e4bc0154822abd3acdeab11741ba51", kill_on_drop: false }`
[INFO] [stdout] fe33f5dc9b1c9200d90d950fe56357d624e4bc0154822abd3acdeab11741ba51