[INFO] fetching crate esperto 0.4.0...
[INFO] testing esperto-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate esperto 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate esperto 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate esperto 0.4.0
[INFO] tweaked toml for crates.io crate esperto 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate esperto 0.4.0 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 esperto 0.4.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0b2dbb28588da52edf7e1df0a08a89463221c4efe50013359165d65ff34e43a0
[INFO] running `Command { std: "docker" "start" "-a" "0b2dbb28588da52edf7e1df0a08a89463221c4efe50013359165d65ff34e43a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b2dbb28588da52edf7e1df0a08a89463221c4efe50013359165d65ff34e43a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2dbb28588da52edf7e1df0a08a89463221c4efe50013359165d65ff34e43a0", kill_on_drop: false }`
[INFO] [stdout] 0b2dbb28588da52edf7e1df0a08a89463221c4efe50013359165d65ff34e43a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 065794b1ee29bc185a7347bf36e0ade622f7333bc16db16b56d84c17d7dec78c
[INFO] running `Command { std: "docker" "start" "-a" "065794b1ee29bc185a7347bf36e0ade622f7333bc16db16b56d84c17d7dec78c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling mutants v0.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.10.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling frozen-collections v0.9.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tinyset v0.5.2
[INFO] [stderr]    Compiling frozen-collections-core v0.9.1
[INFO] [stderr]    Compiling frozen-collections-macros v0.9.1
[INFO] [stderr]    Compiling esperto v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.42s
[INFO] running `Command { std: "docker" "inspect" "065794b1ee29bc185a7347bf36e0ade622f7333bc16db16b56d84c17d7dec78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065794b1ee29bc185a7347bf36e0ade622f7333bc16db16b56d84c17d7dec78c", kill_on_drop: false }`
[INFO] [stdout] 065794b1ee29bc185a7347bf36e0ade622f7333bc16db16b56d84c17d7dec78c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 53a8f0e2ca2106326a54dccc96e05d75050d01de5ad2efcb1cb061e090ae0076
[INFO] running `Command { std: "docker" "start" "-a" "53a8f0e2ca2106326a54dccc96e05d75050d01de5ad2efcb1cb061e090ae0076", kill_on_drop: false }`
[INFO] [stderr]    Compiling esperto v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "53a8f0e2ca2106326a54dccc96e05d75050d01de5ad2efcb1cb061e090ae0076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a8f0e2ca2106326a54dccc96e05d75050d01de5ad2efcb1cb061e090ae0076", kill_on_drop: false }`
[INFO] [stdout] 53a8f0e2ca2106326a54dccc96e05d75050d01de5ad2efcb1cb061e090ae0076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a6d43ae08e3d2439c9a4ead9ca18641fa1c1625d2f6c27ee48cf985fdf7218b1
[INFO] running `Command { std: "docker" "start" "-a" "a6d43ae08e3d2439c9a4ead9ca18641fa1c1625d2f6c27ee48cf985fdf7218b1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/esperto-0919ab258ad5e4cc)
[INFO] [stderr]    Doc-tests esperto
[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] [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" "a6d43ae08e3d2439c9a4ead9ca18641fa1c1625d2f6c27ee48cf985fdf7218b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d43ae08e3d2439c9a4ead9ca18641fa1c1625d2f6c27ee48cf985fdf7218b1", kill_on_drop: false }`
[INFO] [stdout] a6d43ae08e3d2439c9a4ead9ca18641fa1c1625d2f6c27ee48cf985fdf7218b1