[INFO] fetching crate fef 0.2.3...
[INFO] testing fef-0.2.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fef 0.2.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fef 0.2.3
[INFO] finished tweaking crates.io crate fef 0.2.3
[INFO] tweaked toml for crates.io crate fef 0.2.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fef 0.2.3 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 fef 0.2.3 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6d383ea51b8edcff5f32235c9f9405b38e8ca7a297cfd93124e8ce2e45273835
[INFO] running `Command { std: "docker" "start" "-a" "6d383ea51b8edcff5f32235c9f9405b38e8ca7a297cfd93124e8ce2e45273835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d383ea51b8edcff5f32235c9f9405b38e8ca7a297cfd93124e8ce2e45273835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d383ea51b8edcff5f32235c9f9405b38e8ca7a297cfd93124e8ce2e45273835", kill_on_drop: false }`
[INFO] [stdout] 6d383ea51b8edcff5f32235c9f9405b38e8ca7a297cfd93124e8ce2e45273835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] da1a3e04d541b995bc5b02def5d632b459cc6668b2a2275886da72423d1c4651
[INFO] running `Command { std: "docker" "start" "-a" "da1a3e04d541b995bc5b02def5d632b459cc6668b2a2275886da72423d1c4651", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling thiserror v2.0.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling thiserror-impl v2.0.7
[INFO] [stderr]    Compiling fef v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]  --> src/common/traits.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub trait Sealed {}
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `skip_bytes` is never used
[INFO] [stdout]  --> src/common/stream_utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn skip_bytes<R: ?Sized + Read>(
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "da1a3e04d541b995bc5b02def5d632b459cc6668b2a2275886da72423d1c4651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1a3e04d541b995bc5b02def5d632b459cc6668b2a2275886da72423d1c4651", kill_on_drop: false }`
[INFO] [stdout] da1a3e04d541b995bc5b02def5d632b459cc6668b2a2275886da72423d1c4651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5d0aa5b7990b3901dfbfd1f48ffb82d6fc31d356d48a2606ae4f713871653f02
[INFO] running `Command { std: "docker" "start" "-a" "5d0aa5b7990b3901dfbfd1f48ffb82d6fc31d356d48a2606ae4f713871653f02", kill_on_drop: false }`
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]  --> src/common/traits.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub trait Sealed {}
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `skip_bytes` is never used
[INFO] [stdout]  --> src/common/stream_utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn skip_bytes<R: ?Sized + Read>(
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fef v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]  --> src/common/traits.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub trait Sealed {}
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `skip_bytes` is never used
[INFO] [stdout]  --> src/common/stream_utils.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn skip_bytes<R: ?Sized + Read>(
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "5d0aa5b7990b3901dfbfd1f48ffb82d6fc31d356d48a2606ae4f713871653f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0aa5b7990b3901dfbfd1f48ffb82d6fc31d356d48a2606ae4f713871653f02", kill_on_drop: false }`
[INFO] [stdout] 5d0aa5b7990b3901dfbfd1f48ffb82d6fc31d356d48a2606ae4f713871653f02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a1c4538a157486541cb807ec1f83c755765493f1f54ba847b2a4cc26ee48fd31
[INFO] running `Command { std: "docker" "start" "-a" "a1c4538a157486541cb807ec1f83c755765493f1f54ba847b2a4cc26ee48fd31", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Sealed` is never used
[INFO] [stderr]  --> src/common/traits.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub trait Sealed {}
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `skip_bytes` is never used
[INFO] [stderr]  --> src/common/stream_utils.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub(crate) fn skip_bytes<R: ?Sized + Read>(
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fef` (lib) generated 2 warnings
[INFO] [stderr] warning: `fef` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fef-b236e3c79e178278)
[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" "a1c4538a157486541cb807ec1f83c755765493f1f54ba847b2a4cc26ee48fd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c4538a157486541cb807ec1f83c755765493f1f54ba847b2a4cc26ee48fd31", kill_on_drop: false }`
[INFO] [stdout] a1c4538a157486541cb807ec1f83c755765493f1f54ba847b2a4cc26ee48fd31