[INFO] fetching crate mtf 0.3.7...
[INFO] testing mtf-0.3.7 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate mtf 0.3.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mtf 0.3.7
[INFO] finished tweaking crates.io crate mtf 0.3.7
[INFO] tweaked toml for crates.io crate mtf 0.3.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtf 0.3.7 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mtf 0.3.7 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c87f1715cbee2df7dc35bd2567464720ddd41a911dcb900c718d3658c38b5e3
[INFO] running `Command { std: "docker" "start" "-a" "3c87f1715cbee2df7dc35bd2567464720ddd41a911dcb900c718d3658c38b5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c87f1715cbee2df7dc35bd2567464720ddd41a911dcb900c718d3658c38b5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c87f1715cbee2df7dc35bd2567464720ddd41a911dcb900c718d3658c38b5e3", kill_on_drop: false }`
[INFO] [stdout] 3c87f1715cbee2df7dc35bd2567464720ddd41a911dcb900c718d3658c38b5e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 269f392f7f619357167c3e21ba7bef5542d8bacf822eeffa8b9dfaf9d56c36d1
[INFO] running `Command { std: "docker" "start" "-a" "269f392f7f619357167c3e21ba7bef5542d8bacf822eeffa8b9dfaf9d56c36d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.13.3
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.11.0
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling terminal_size v0.4.4
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling clap-cargo v0.18.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling gstring v0.13.3
[INFO] [stderr]    Compiling mtf v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "269f392f7f619357167c3e21ba7bef5542d8bacf822eeffa8b9dfaf9d56c36d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269f392f7f619357167c3e21ba7bef5542d8bacf822eeffa8b9dfaf9d56c36d1", kill_on_drop: false }`
[INFO] [stdout] 269f392f7f619357167c3e21ba7bef5542d8bacf822eeffa8b9dfaf9d56c36d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b543a97b4fc935dde153f3c0f49962f0982866e960322d4baf4978c104495d70
[INFO] running `Command { std: "docker" "start" "-a" "b543a97b4fc935dde153f3c0f49962f0982866e960322d4baf4978c104495d70", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtf v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "b543a97b4fc935dde153f3c0f49962f0982866e960322d4baf4978c104495d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b543a97b4fc935dde153f3c0f49962f0982866e960322d4baf4978c104495d70", kill_on_drop: false }`
[INFO] [stdout] b543a97b4fc935dde153f3c0f49962f0982866e960322d4baf4978c104495d70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d1e4f901b61d55ac75560f1c4fe438ac644fa615a921c6f3381a42f2792bcdf
[INFO] running `Command { std: "docker" "start" "-a" "8d1e4f901b61d55ac75560f1c4fe438ac644fa615a921c6f3381a42f2792bcdf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtf-1085face0cdf2e10)
[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/mtf-ef51e913b07f2822)
[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 mtf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/../README.md - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.65s
[INFO] running `Command { std: "docker" "inspect" "8d1e4f901b61d55ac75560f1c4fe438ac644fa615a921c6f3381a42f2792bcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1e4f901b61d55ac75560f1c4fe438ac644fa615a921c6f3381a42f2792bcdf", kill_on_drop: false }`
[INFO] [stdout] 8d1e4f901b61d55ac75560f1c4fe438ac644fa615a921c6f3381a42f2792bcdf