[INFO] fetching crate performance_measurement_codegen 0.1.0...
[INFO] testing performance_measurement_codegen-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate performance_measurement_codegen 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate performance_measurement_codegen 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate performance_measurement_codegen 0.1.0
[INFO] tweaked toml for crates.io crate performance_measurement_codegen 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate performance_measurement_codegen 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded performance_measurement v0.1.0
[INFO] [stderr]   Downloaded owned-alloc v0.2.0
[INFO] [stderr]   Downloaded lockfree v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8368c2392d00b0e4f527241b0923e0eed3dc1d9ddf04a7188234efd9b6348f4a
[INFO] running `Command { std: "docker" "start" "-a" "8368c2392d00b0e4f527241b0923e0eed3dc1d9ddf04a7188234efd9b6348f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8368c2392d00b0e4f527241b0923e0eed3dc1d9ddf04a7188234efd9b6348f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8368c2392d00b0e4f527241b0923e0eed3dc1d9ddf04a7188234efd9b6348f4a", kill_on_drop: false }`
[INFO] [stdout] 8368c2392d00b0e4f527241b0923e0eed3dc1d9ddf04a7188234efd9b6348f4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e12388af5b6c23b16f2ea3ce31b7244aedb4392085400b0fc625fcaefdbd05c9
[INFO] running `Command { std: "docker" "start" "-a" "e12388af5b6c23b16f2ea3ce31b7244aedb4392085400b0fc625fcaefdbd05c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling performance_measurement v0.1.0
[INFO] [stderr]    Compiling performance_measurement_codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/performance_measurement.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut attr = parse_attr(attr)?;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "e12388af5b6c23b16f2ea3ce31b7244aedb4392085400b0fc625fcaefdbd05c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12388af5b6c23b16f2ea3ce31b7244aedb4392085400b0fc625fcaefdbd05c9", kill_on_drop: false }`
[INFO] [stdout] e12388af5b6c23b16f2ea3ce31b7244aedb4392085400b0fc625fcaefdbd05c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b0646973a0fbfd8e1e4202888c15b8fc6773e32f65c9dd2eacc1a549f8892a57
[INFO] running `Command { std: "docker" "start" "-a" "b0646973a0fbfd8e1e4202888c15b8fc6773e32f65c9dd2eacc1a549f8892a57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling performance_measurement v0.1.0
[INFO] [stderr]    Compiling performance_measurement_codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/performance_measurement.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut attr = parse_attr(attr)?;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/performance_measurement.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut attr = parse_attr(attr)?;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "b0646973a0fbfd8e1e4202888c15b8fc6773e32f65c9dd2eacc1a549f8892a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0646973a0fbfd8e1e4202888c15b8fc6773e32f65c9dd2eacc1a549f8892a57", kill_on_drop: false }`
[INFO] [stdout] b0646973a0fbfd8e1e4202888c15b8fc6773e32f65c9dd2eacc1a549f8892a57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0a5b8cdc3e42ec1187381699325e57c6f93580235c5ed1ad1a9f9b4666d170a0
[INFO] running `Command { std: "docker" "start" "-a" "0a5b8cdc3e42ec1187381699325e57c6f93580235c5ed1ad1a9f9b4666d170a0", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/performance_measurement.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut attr = parse_attr(attr)?;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `performance_measurement_codegen` (lib) generated 1 warning (run `cargo fix --lib -p performance_measurement_codegen` to apply 1 suggestion)
[INFO] [stderr] warning: `performance_measurement_codegen` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/performance_measurement_codegen-c4d3ee1d9d877340)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test performance_measurement::tests::test_attr_parse ... 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] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-e0dbdb2ef3f1c4d8)
[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]      Running tests/performance_measurement.rs (/opt/rustwide/target/debug/deps/performance_measurement-2983096f66da8ed5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... 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] [stderr]    Doc-tests performance_measurement_codegen
[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" "0a5b8cdc3e42ec1187381699325e57c6f93580235c5ed1ad1a9f9b4666d170a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5b8cdc3e42ec1187381699325e57c6f93580235c5ed1ad1a9f9b4666d170a0", kill_on_drop: false }`
[INFO] [stdout] 0a5b8cdc3e42ec1187381699325e57c6f93580235c5ed1ad1a9f9b4666d170a0