[INFO] fetching crate gbsdiff 1.0.1...
[INFO] testing gbsdiff-1.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate gbsdiff 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate gbsdiff 1.0.1
[INFO] finished tweaking crates.io crate gbsdiff 1.0.1
[INFO] tweaked toml for crates.io crate gbsdiff 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gbsdiff 1.0.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gbsdiff 1.0.1 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slicedisplay v0.2.2
[INFO] [stderr]   Downloaded try-from-discrim v1.0.0
[INFO] [stderr]   Downloaded gb-cpu-sim v1.1.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a33f81112243f3177abe148423aa439ab1b6755edb61c742a484e1f99089b2a
[INFO] running `Command { std: "docker" "start" "-a" "4a33f81112243f3177abe148423aa439ab1b6755edb61c742a484e1f99089b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a33f81112243f3177abe148423aa439ab1b6755edb61c742a484e1f99089b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a33f81112243f3177abe148423aa439ab1b6755edb61c742a484e1f99089b2a", kill_on_drop: false }`
[INFO] [stdout] 4a33f81112243f3177abe148423aa439ab1b6755edb61c742a484e1f99089b2a
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8825aa016910158e6a9e7f853f82a5c13f24c22424ab58ea09623e3da329f7cd
[INFO] running `Command { std: "docker" "start" "-a" "8825aa016910158e6a9e7f853f82a5c13f24c22424ab58ea09623e3da329f7cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling argh_shared v0.1.13
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]    Compiling rust-fuzzy-search v0.1.1
[INFO] [stderr]    Compiling slicedisplay v0.2.2
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.92
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling supports-color v2.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling try-from-discrim v1.0.0
[INFO] [stderr]    Compiling gb-cpu-sim v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling structmeta-derive v0.3.0
[INFO] [stderr]    Compiling argh_derive v0.1.13
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling structmeta v0.3.0
[INFO] [stderr]    Compiling parse-display-derive v0.9.1
[INFO] [stderr]    Compiling parse-display v0.9.1
[INFO] [stderr]    Compiling argh v0.1.13
[INFO] [stderr]    Compiling gbsdiff v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `double_speed` is never used
[INFO] [stdout]   --> src/gbs.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'gbs> Gbs<'gbs> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn double_speed(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.68s
[INFO] running `Command { std: "docker" "inspect" "8825aa016910158e6a9e7f853f82a5c13f24c22424ab58ea09623e3da329f7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8825aa016910158e6a9e7f853f82a5c13f24c22424ab58ea09623e3da329f7cd", kill_on_drop: false }`
[INFO] [stdout] 8825aa016910158e6a9e7f853f82a5c13f24c22424ab58ea09623e3da329f7cd
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a2d3f1a08cb95d19fce81f9f2606e464ed405e468090b4132211ca10d01af7ad
[INFO] running `Command { std: "docker" "start" "-a" "a2d3f1a08cb95d19fce81f9f2606e464ed405e468090b4132211ca10d01af7ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling gbsdiff v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `double_speed` is never used
[INFO] [stdout]   --> src/gbs.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'gbs> Gbs<'gbs> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn double_speed(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "a2d3f1a08cb95d19fce81f9f2606e464ed405e468090b4132211ca10d01af7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d3f1a08cb95d19fce81f9f2606e464ed405e468090b4132211ca10d01af7ad", kill_on_drop: false }`
[INFO] [stdout] a2d3f1a08cb95d19fce81f9f2606e464ed405e468090b4132211ca10d01af7ad
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 52f77bcfabec9a43075c86ac8d458a2eb8afbdbdefb4404fa65e016253cd3d9b
[INFO] running `Command { std: "docker" "start" "-a" "52f77bcfabec9a43075c86ac8d458a2eb8afbdbdefb4404fa65e016253cd3d9b", kill_on_drop: false }`
[INFO] [stderr] warning: method `double_speed` is never used
[INFO] [stderr]   --> src/gbs.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl<'gbs> Gbs<'gbs> {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 94 |     pub fn double_speed(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gbsdiff` (bin "gbsdiff" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/gbsdiff-5ff2fe2070a5ba70)
[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" "52f77bcfabec9a43075c86ac8d458a2eb8afbdbdefb4404fa65e016253cd3d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f77bcfabec9a43075c86ac8d458a2eb8afbdbdefb4404fa65e016253cd3d9b", kill_on_drop: false }`
[INFO] [stdout] 52f77bcfabec9a43075c86ac8d458a2eb8afbdbdefb4404fa65e016253cd3d9b