[INFO] fetching crate fef 0.2.3...
[INFO] testing fef-0.2.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fef 0.2.3 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fef 0.2.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef8435d4132c71a0dc3ceaa70445925dedf20ff0d780d7e95811a67aae99ec52
[INFO] running `Command { std: "docker" "start" "-a" "ef8435d4132c71a0dc3ceaa70445925dedf20ff0d780d7e95811a67aae99ec52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef8435d4132c71a0dc3ceaa70445925dedf20ff0d780d7e95811a67aae99ec52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8435d4132c71a0dc3ceaa70445925dedf20ff0d780d7e95811a67aae99ec52", kill_on_drop: false }`
[INFO] [stdout] ef8435d4132c71a0dc3ceaa70445925dedf20ff0d780d7e95811a67aae99ec52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 116054d3147006b2354dddc9570ad2ac2127d06c90b9e466ac34b90a224e5ec6
[INFO] running `Command { std: "docker" "start" "-a" "116054d3147006b2354dddc9570ad2ac2127d06c90b9e466ac34b90a224e5ec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling thiserror-impl v2.0.7
[INFO] [stderr]    Compiling thiserror 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)]` (part of `#[warn(unused)]`) 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 3.92s
[INFO] running `Command { std: "docker" "inspect" "116054d3147006b2354dddc9570ad2ac2127d06c90b9e466ac34b90a224e5ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116054d3147006b2354dddc9570ad2ac2127d06c90b9e466ac34b90a224e5ec6", kill_on_drop: false }`
[INFO] [stdout] 116054d3147006b2354dddc9570ad2ac2127d06c90b9e466ac34b90a224e5ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 173d2c87f5a551853506e26c3d2ba220945b61d15639c7833512625ef8618d20
[INFO] running `Command { std: "docker" "start" "-a" "173d2c87f5a551853506e26c3d2ba220945b61d15639c7833512625ef8618d20", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.33s
[INFO] running `Command { std: "docker" "inspect" "173d2c87f5a551853506e26c3d2ba220945b61d15639c7833512625ef8618d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173d2c87f5a551853506e26c3d2ba220945b61d15639c7833512625ef8618d20", kill_on_drop: false }`
[INFO] [stdout] 173d2c87f5a551853506e26c3d2ba220945b61d15639c7833512625ef8618d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7e1ce3c566d87c5520178305b26f03d7a54a6745b4c2531713265bc4bc64958
[INFO] running `Command { std: "docker" "start" "-a" "a7e1ce3c566d87c5520178305b26f03d7a54a6745b4c2531713265bc4bc64958", 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)]` (part of `#[warn(unused)]`) 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fef-337d6fbf4cc0f488)
[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] [stderr]    Doc-tests fef
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion (line 10) ... ok
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion (line 94) ... ok
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion::new (line 25) ... ok
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion::minor (line 55) ... ok
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion::major (line 43) ... ok
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion (line 126) ... ok
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion (line 80) ... ok
[INFO] [stdout] test src/common/version.rs - common::version::SpecVersion::micro (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7e1ce3c566d87c5520178305b26f03d7a54a6745b4c2531713265bc4bc64958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e1ce3c566d87c5520178305b26f03d7a54a6745b4c2531713265bc4bc64958", kill_on_drop: false }`
[INFO] [stdout] a7e1ce3c566d87c5520178305b26f03d7a54a6745b4c2531713265bc4bc64958