[INFO] fetching crate variation 0.1.1...
[INFO] testing variation-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate variation 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate variation 0.1.1
[INFO] finished tweaking crates.io crate variation 0.1.1
[INFO] tweaked toml for crates.io crate variation 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate variation 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.103)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.41)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.108)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32fbe023a610a41b420e3fa4f7b53926baddd5bfcc5f2b2b2b2ba6acac5d31eb
[INFO] running `Command { std: "docker" "start" "-a" "32fbe023a610a41b420e3fa4f7b53926baddd5bfcc5f2b2b2b2ba6acac5d31eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32fbe023a610a41b420e3fa4f7b53926baddd5bfcc5f2b2b2b2ba6acac5d31eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fbe023a610a41b420e3fa4f7b53926baddd5bfcc5f2b2b2b2ba6acac5d31eb", kill_on_drop: false }`
[INFO] [stdout] 32fbe023a610a41b420e3fa4f7b53926baddd5bfcc5f2b2b2b2ba6acac5d31eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a30dd300554b1d09d40aed91d6e7cfef722260a236f12d7482b8a8a1c35880
[INFO] running `Command { std: "docker" "start" "-a" "e6a30dd300554b1d09d40aed91d6e7cfef722260a236f12d7482b8a8a1c35880", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling variation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "e6a30dd300554b1d09d40aed91d6e7cfef722260a236f12d7482b8a8a1c35880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a30dd300554b1d09d40aed91d6e7cfef722260a236f12d7482b8a8a1c35880", kill_on_drop: false }`
[INFO] [stdout] e6a30dd300554b1d09d40aed91d6e7cfef722260a236f12d7482b8a8a1c35880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48fd369b84a750125a422a10af08cf3ebcb0bd801d7241802e50819c55b75829
[INFO] running `Command { std: "docker" "start" "-a" "48fd369b84a750125a422a10af08cf3ebcb0bd801d7241802e50819c55b75829", kill_on_drop: false }`
[INFO] [stderr]    Compiling variation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "48fd369b84a750125a422a10af08cf3ebcb0bd801d7241802e50819c55b75829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48fd369b84a750125a422a10af08cf3ebcb0bd801d7241802e50819c55b75829", kill_on_drop: false }`
[INFO] [stdout] 48fd369b84a750125a422a10af08cf3ebcb0bd801d7241802e50819c55b75829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01a67bffaea8cf0ae515ccd1b6c695bb4780b50361b3302502f891e5822498ea
[INFO] running `Command { std: "docker" "start" "-a" "01a67bffaea8cf0ae515ccd1b6c695bb4780b50361b3302502f891e5822498ea", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variation-a9bd66b079731661)
[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 variation
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 57) ... ignored
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01a67bffaea8cf0ae515ccd1b6c695bb4780b50361b3302502f891e5822498ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a67bffaea8cf0ae515ccd1b6c695bb4780b50361b3302502f891e5822498ea", kill_on_drop: false }`
[INFO] [stdout] 01a67bffaea8cf0ae515ccd1b6c695bb4780b50361b3302502f891e5822498ea