[INFO] fetching crate mkvdump 0.6.0...
[INFO] testing mkvdump-0.6.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mkvdump 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mkvdump 0.6.0
[INFO] finished tweaking crates.io crate mkvdump 0.6.0
[INFO] tweaked toml for crates.io crate mkvdump 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkvdump 0.6.0 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 mkvdump 0.6.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 95968b58b91c0439a07186c42475c7129ae8d2885ba5f9d666aa77a900ecfab5
[INFO] running `Command { std: "docker" "start" "-a" "95968b58b91c0439a07186c42475c7129ae8d2885ba5f9d666aa77a900ecfab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95968b58b91c0439a07186c42475c7129ae8d2885ba5f9d666aa77a900ecfab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95968b58b91c0439a07186c42475c7129ae8d2885ba5f9d666aa77a900ecfab5", kill_on_drop: false }`
[INFO] [stdout] 95968b58b91c0439a07186c42475c7129ae8d2885ba5f9d666aa77a900ecfab5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ae88423c9782bc7c6a95828444034559da33d9d500cdd19e0004dd47bf68c961
[INFO] running `Command { std: "docker" "start" "-a" "ae88423c9782bc7c6a95828444034559da33d9d500cdd19e0004dd47bf68c961", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling strsim v0.10.0
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[INFO] [stderr]    Compiling thiserror v1.0.40
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[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling convert_case v0.6.0
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[INFO] [stderr]    Compiling clap_derive v4.3.0
[INFO] [stderr]    Compiling darling_macro v0.20.0
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[INFO] [stderr]    Compiling serde_with v3.0.0
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[INFO] [stderr]    Compiling serde-xml-rs v0.6.0
[INFO] [stderr]    Compiling mkvparser v0.2.0
[INFO] [stderr]    Compiling mkvdump v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `DEFAULT_BUFFER_SIZE` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DEFAULT_BUFFER_SIZE: u64 = 8192;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.98s
[INFO] running `Command { std: "docker" "inspect" "ae88423c9782bc7c6a95828444034559da33d9d500cdd19e0004dd47bf68c961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae88423c9782bc7c6a95828444034559da33d9d500cdd19e0004dd47bf68c961", kill_on_drop: false }`
[INFO] [stdout] ae88423c9782bc7c6a95828444034559da33d9d500cdd19e0004dd47bf68c961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ef8ae2a08a43cd9bc26ce00168510b379bd77c99c5ab7e4fe449e5ee0579bd37
[INFO] running `Command { std: "docker" "start" "-a" "ef8ae2a08a43cd9bc26ce00168510b379bd77c99c5ab7e4fe449e5ee0579bd37", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling termtree v0.4.1
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[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling similar v2.2.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling bstr v1.4.0
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling insta v1.29.0
[INFO] [stderr]    Compiling predicates v3.0.3
[INFO] [stderr]    Compiling assert_cmd v2.0.11
[INFO] [stderr]    Compiling mkvdump v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `DEFAULT_BUFFER_SIZE` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DEFAULT_BUFFER_SIZE: u64 = 8192;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "ef8ae2a08a43cd9bc26ce00168510b379bd77c99c5ab7e4fe449e5ee0579bd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8ae2a08a43cd9bc26ce00168510b379bd77c99c5ab7e4fe449e5ee0579bd37", kill_on_drop: false }`
[INFO] [stdout] ef8ae2a08a43cd9bc26ce00168510b379bd77c99c5ab7e4fe449e5ee0579bd37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bb210dfcaf8f29c1365c81db62320cb07b341ac9dcaad964c0f5b89e0cb90d3c
[INFO] running `Command { std: "docker" "start" "-a" "bb210dfcaf8f29c1365c81db62320cb07b341ac9dcaad964c0f5b89e0cb90d3c", kill_on_drop: false }`
[INFO] [stderr] warning: constant `DEFAULT_BUFFER_SIZE` is never used
[INFO] [stderr]  --> src/main.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const DEFAULT_BUFFER_SIZE: u64 = 8192;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mkvdump` (bin "mkvdump" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mkvdump-d5ca1c32ab606533)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::sequential_corrupt_elements ... 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] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mkvdump-92a656bacfd91c44)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mkvdump
[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" "bb210dfcaf8f29c1365c81db62320cb07b341ac9dcaad964c0f5b89e0cb90d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb210dfcaf8f29c1365c81db62320cb07b341ac9dcaad964c0f5b89e0cb90d3c", kill_on_drop: false }`
[INFO] [stdout] bb210dfcaf8f29c1365c81db62320cb07b341ac9dcaad964c0f5b89e0cb90d3c