[INFO] fetching crate syn_squash 0.1.0...
[INFO] testing syn_squash-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate syn_squash 0.1.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate syn_squash 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-116/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate syn_squash 0.1.0
[INFO] finished tweaking crates.io crate syn_squash 0.1.0
[INFO] tweaked toml for crates.io crate syn_squash 0.1.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cbf11fd5c063246acd59c7abf0860b36281e87ea220e69f3337304e8554fd90
[INFO] running `Command { std: "docker" "start" "-a" "6cbf11fd5c063246acd59c7abf0860b36281e87ea220e69f3337304e8554fd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cbf11fd5c063246acd59c7abf0860b36281e87ea220e69f3337304e8554fd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbf11fd5c063246acd59c7abf0860b36281e87ea220e69f3337304e8554fd90", kill_on_drop: false }`
[INFO] [stdout] 6cbf11fd5c063246acd59c7abf0860b36281e87ea220e69f3337304e8554fd90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f0da79bf7c9b8ba9d5da9b3c94a49690dab65625f1fdb11240c344b78ac4cc4
[INFO] running `Command { std: "docker" "start" "-a" "1f0da79bf7c9b8ba9d5da9b3c94a49690dab65625f1fdb11240c344b78ac4cc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn_squash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "1f0da79bf7c9b8ba9d5da9b3c94a49690dab65625f1fdb11240c344b78ac4cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0da79bf7c9b8ba9d5da9b3c94a49690dab65625f1fdb11240c344b78ac4cc4", kill_on_drop: false }`
[INFO] [stdout] 1f0da79bf7c9b8ba9d5da9b3c94a49690dab65625f1fdb11240c344b78ac4cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fad0d03cfa439bff402659aecf7d900512dd21e0c820b53da131a3a5ca47525
[INFO] running `Command { std: "docker" "start" "-a" "8fad0d03cfa439bff402659aecf7d900512dd21e0c820b53da131a3a5ca47525", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn_squash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "8fad0d03cfa439bff402659aecf7d900512dd21e0c820b53da131a3a5ca47525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fad0d03cfa439bff402659aecf7d900512dd21e0c820b53da131a3a5ca47525", kill_on_drop: false }`
[INFO] [stdout] 8fad0d03cfa439bff402659aecf7d900512dd21e0c820b53da131a3a5ca47525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c3d5f2e99fae39ef75be7454826de04bf960097f1ff81bf126ae0f42a35945f
[INFO] running `Command { std: "docker" "start" "-a" "5c3d5f2e99fae39ef75be7454826de04bf960097f1ff81bf126ae0f42a35945f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syn_squash-640383ae637107c2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syn_squash
[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" "5c3d5f2e99fae39ef75be7454826de04bf960097f1ff81bf126ae0f42a35945f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3d5f2e99fae39ef75be7454826de04bf960097f1ff81bf126ae0f42a35945f", kill_on_drop: false }`
[INFO] [stdout] 5c3d5f2e99fae39ef75be7454826de04bf960097f1ff81bf126ae0f42a35945f