[INFO] fetching crate mmt 0.2.4...
[INFO] testing mmt-0.2.4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mmt 0.2.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mmt 0.2.4
[INFO] finished tweaking crates.io crate mmt 0.2.4
[INFO] tweaked toml for crates.io crate mmt 0.2.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mmt 0.2.4 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 mmt 0.2.4 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 thread_local v1.1.4
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded quote v1.0.22
[INFO] [stderr]   Downloaded scratch v1.0.3
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.84
[INFO] [stderr]   Downloaded hashlink v0.8.1
[INFO] [stderr]   Downloaded dev_util v0.1.1
[INFO] [stderr]   Downloaded is_copy v0.1.5
[INFO] [stderr]   Downloaded tracing-core v0.1.30
[INFO] [stderr]   Downloaded proc-macro2 v1.0.48
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.84
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded syn v1.0.106
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded cxx-build v1.0.84
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded rusqlite v0.28.0
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded cxx v1.0.84
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded libsqlite3-sys v0.25.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b8a6ce92247c29a843e12724e39b0776cbb3398251398ad29b9e03cc333cd950
[INFO] running `Command { std: "docker" "start" "-a" "b8a6ce92247c29a843e12724e39b0776cbb3398251398ad29b9e03cc333cd950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8a6ce92247c29a843e12724e39b0776cbb3398251398ad29b9e03cc333cd950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a6ce92247c29a843e12724e39b0776cbb3398251398ad29b9e03cc333cd950", kill_on_drop: false }`
[INFO] [stdout] b8a6ce92247c29a843e12724e39b0776cbb3398251398ad29b9e03cc333cd950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5d68dae87627b6679471a849967ff4bef71cbc6f6d55b84ddd5b4b341a88bb57
[INFO] running `Command { std: "docker" "start" "-a" "5d68dae87627b6679471a849967ff4bef71cbc6f6d55b84ddd5b4b341a88bb57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.48
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.22
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.106
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling libsqlite3-sys v0.25.2
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling mutate_once v0.1.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling kamadak-exif v0.5.5
[INFO] [stderr]    Compiling is_copy v0.1.5
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.16
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling hashlink v0.8.1
[INFO] [stderr]    Compiling rusqlite v0.28.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling dev_util v0.1.1
[INFO] [stderr]    Compiling mmt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s
[INFO] running `Command { std: "docker" "inspect" "5d68dae87627b6679471a849967ff4bef71cbc6f6d55b84ddd5b4b341a88bb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d68dae87627b6679471a849967ff4bef71cbc6f6d55b84ddd5b4b341a88bb57", kill_on_drop: false }`
[INFO] [stdout] 5d68dae87627b6679471a849967ff4bef71cbc6f6d55b84ddd5b4b341a88bb57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bdbb047a6748a7d7cd09b404e51c63da75cfa0e386f03bfc16639bfcba27ec7e
[INFO] running `Command { std: "docker" "start" "-a" "bdbb047a6748a7d7cd09b404e51c63da75cfa0e386f03bfc16639bfcba27ec7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bdbb047a6748a7d7cd09b404e51c63da75cfa0e386f03bfc16639bfcba27ec7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbb047a6748a7d7cd09b404e51c63da75cfa0e386f03bfc16639bfcba27ec7e", kill_on_drop: false }`
[INFO] [stdout] bdbb047a6748a7d7cd09b404e51c63da75cfa0e386f03bfc16639bfcba27ec7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 86926f8f0894aee2b45529ad409875807c3417b39dcde13437455f86b2b37ae8
[INFO] running `Command { std: "docker" "start" "-a" "86926f8f0894aee2b45529ad409875807c3417b39dcde13437455f86b2b37ae8", 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/mmt-d60291f23355cc03)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/copy_file.rs (/opt/rustwide/target/debug/deps/copy_file-9a4574ed7ed80c95)
[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 mmt
[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" "86926f8f0894aee2b45529ad409875807c3417b39dcde13437455f86b2b37ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86926f8f0894aee2b45529ad409875807c3417b39dcde13437455f86b2b37ae8", kill_on_drop: false }`
[INFO] [stdout] 86926f8f0894aee2b45529ad409875807c3417b39dcde13437455f86b2b37ae8