[INFO] fetching crate semver-trick 0.2.1...
[INFO] testing semver-trick-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate semver-trick 0.2.1 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate semver-trick 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate semver-trick 0.2.1
[INFO] finished tweaking crates.io crate semver-trick 0.2.1
[INFO] tweaked toml for crates.io crate semver-trick 0.2.1 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1926adb01de2ac2f5a966b5292fd1506abb6e8c1f53d716969f94e8a773ab323
[INFO] running `Command { std: "docker" "start" "-a" "1926adb01de2ac2f5a966b5292fd1506abb6e8c1f53d716969f94e8a773ab323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1926adb01de2ac2f5a966b5292fd1506abb6e8c1f53d716969f94e8a773ab323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1926adb01de2ac2f5a966b5292fd1506abb6e8c1f53d716969f94e8a773ab323", kill_on_drop: false }`
[INFO] [stdout] 1926adb01de2ac2f5a966b5292fd1506abb6e8c1f53d716969f94e8a773ab323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45a582602594f91d8fc02e6fb38a1bd6b057c0863b9a3a96d9dcfe0576eee2ff
[INFO] running `Command { std: "docker" "start" "-a" "45a582602594f91d8fc02e6fb38a1bd6b057c0863b9a3a96d9dcfe0576eee2ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-trick v0.3.0
[INFO] [stderr]    Compiling semver-trick v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "45a582602594f91d8fc02e6fb38a1bd6b057c0863b9a3a96d9dcfe0576eee2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a582602594f91d8fc02e6fb38a1bd6b057c0863b9a3a96d9dcfe0576eee2ff", kill_on_drop: false }`
[INFO] [stdout] 45a582602594f91d8fc02e6fb38a1bd6b057c0863b9a3a96d9dcfe0576eee2ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d89f3f47b13da5e04fc0dcdfe7879c7580a7d676ad3362f4b0bbc755905289c2
[INFO] running `Command { std: "docker" "start" "-a" "d89f3f47b13da5e04fc0dcdfe7879c7580a7d676ad3362f4b0bbc755905289c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-trick v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d89f3f47b13da5e04fc0dcdfe7879c7580a7d676ad3362f4b0bbc755905289c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89f3f47b13da5e04fc0dcdfe7879c7580a7d676ad3362f4b0bbc755905289c2", kill_on_drop: false }`
[INFO] [stdout] d89f3f47b13da5e04fc0dcdfe7879c7580a7d676ad3362f4b0bbc755905289c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bee990b1a06b5dca8905d38b0f93acdbf9cc6d230f6b08fb653999680957d348
[INFO] running `Command { std: "docker" "start" "-a" "bee990b1a06b5dca8905d38b0f93acdbf9cc6d230f6b08fb653999680957d348", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/semver_trick-6a4948be7f793af0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests semver-trick
[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] error[E0465]: multiple rlib candidates for `semver_trick` found
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate semver_trick;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: candidate #1: /opt/rustwide/target/debug/deps/libsemver_trick-3953cce4b0d9ecc8.rlib
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate semver_trick;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: candidate #2: /opt/rustwide/target/debug/deps/libsemver_trick-7e8028b59cb71a66.rlib
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate semver_trick;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "bee990b1a06b5dca8905d38b0f93acdbf9cc6d230f6b08fb653999680957d348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee990b1a06b5dca8905d38b0f93acdbf9cc6d230f6b08fb653999680957d348", kill_on_drop: false }`
[INFO] [stdout] bee990b1a06b5dca8905d38b0f93acdbf9cc6d230f6b08fb653999680957d348