[INFO] fetching crate tailf 0.1.2...
[INFO] testing tailf-0.1.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tailf 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tailf 0.1.2
[INFO] finished tweaking crates.io crate tailf 0.1.2
[INFO] tweaked toml for crates.io crate tailf 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tailf 0.1.2 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] crate crates.io crate tailf 0.1.2 already has a lockfile, it will not be regenerated
[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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.8.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.15
[INFO] [stderr]   Downloaded rustversion v1.0.18
[INFO] [stderr]   Downloaded bon v3.0.1
[INFO] [stderr]   Downloaded prettyplease v0.2.25
[INFO] [stderr]   Downloaded bon-macros v3.0.1
[INFO] [stderr]   Downloaded mio v1.0.2
[INFO] [stderr]   Downloaded bytes v1.8.0
[INFO] [stderr]   Downloaded object v0.36.5
[INFO] [stderr]   Downloaded syn v2.0.87
[INFO] [stderr]   Downloaded tokio v1.41.1
[INFO] [stderr]   Downloaded libc v0.2.162
[INFO] [stderr]   Downloaded proc-macro2 v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2554ac4e3184cfd194ba0d85b82dda89457a8465fee57b367113ea293040d4e2
[INFO] running `Command { std: "docker" "start" "-a" "2554ac4e3184cfd194ba0d85b82dda89457a8465fee57b367113ea293040d4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2554ac4e3184cfd194ba0d85b82dda89457a8465fee57b367113ea293040d4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2554ac4e3184cfd194ba0d85b82dda89457a8465fee57b367113ea293040d4e2", kill_on_drop: false }`
[INFO] [stdout] 2554ac4e3184cfd194ba0d85b82dda89457a8465fee57b367113ea293040d4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cc3e26d2272ac7014a74743d9e51312be9777dc5e0620e27b19ebb86d6a91b0a
[INFO] running `Command { std: "docker" "start" "-a" "cc3e26d2272ac7014a74743d9e51312be9777dc5e0620e27b19ebb86d6a91b0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling bon-macros v3.0.1
[INFO] [stderr]    Compiling bon v3.0.1
[INFO] [stderr]    Compiling tailf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.38s
[INFO] running `Command { std: "docker" "inspect" "cc3e26d2272ac7014a74743d9e51312be9777dc5e0620e27b19ebb86d6a91b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3e26d2272ac7014a74743d9e51312be9777dc5e0620e27b19ebb86d6a91b0a", kill_on_drop: false }`
[INFO] [stdout] cc3e26d2272ac7014a74743d9e51312be9777dc5e0620e27b19ebb86d6a91b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2ae3a6d276b1e825b89e96bcf5263cef9c1ba51ad0d6cb37c7bccf43caa80872
[INFO] running `Command { std: "docker" "start" "-a" "2ae3a6d276b1e825b89e96bcf5263cef9c1ba51ad0d6cb37c7bccf43caa80872", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "2ae3a6d276b1e825b89e96bcf5263cef9c1ba51ad0d6cb37c7bccf43caa80872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae3a6d276b1e825b89e96bcf5263cef9c1ba51ad0d6cb37c7bccf43caa80872", kill_on_drop: false }`
[INFO] [stdout] 2ae3a6d276b1e825b89e96bcf5263cef9c1ba51ad0d6cb37c7bccf43caa80872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] acd612732f9b6f27775dcf74d13166cee8366d8b42e6828e5db5baa9bf3008b8
[INFO] running `Command { std: "docker" "start" "-a" "acd612732f9b6f27775dcf74d13166cee8366d8b42e6828e5db5baa9bf3008b8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tailf-12c9bbbb1a7585e1)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tailf-04893ab0a7a2d209)
[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 tailf
[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" "acd612732f9b6f27775dcf74d13166cee8366d8b42e6828e5db5baa9bf3008b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd612732f9b6f27775dcf74d13166cee8366d8b42e6828e5db5baa9bf3008b8", kill_on_drop: false }`
[INFO] [stdout] acd612732f9b6f27775dcf74d13166cee8366d8b42e6828e5db5baa9bf3008b8