[INFO] fetching crate criterion-perf-events 0.4.0...
[INFO] checking criterion-perf-events-0.4.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate criterion-perf-events 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate criterion-perf-events 0.4.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate criterion-perf-events 0.4.0
[INFO] finished tweaking crates.io crate criterion-perf-events 0.4.0
[INFO] tweaked toml for crates.io crate criterion-perf-events 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate criterion-perf-events 0.4.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc1/source/examples/fibo_bench.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `example` target `fibo_bench`
[INFO] [stderr]   * `bench` target `fibo_bench`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_codegen v0.9.0
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded phf_generator v0.9.1
[INFO] [stderr]   Downloaded phf_shared v0.9.0
[INFO] [stderr]   Downloaded phf v0.9.0
[INFO] [stderr]   Downloaded mmap v0.1.1
[INFO] [stderr]   Downloaded perfcnt v0.8.0
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.151
[INFO] [stderr]   Downloaded clap v4.3.0
[INFO] [stderr]   Downloaded clap_builder v4.3.0
[INFO] [stderr]   Downloaded raw-cpuid v10.6.0
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded x86 v0.47.0
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6810c1ed4e925a82f38f71905c55ab2b7dbacf0635a872f1a3a88f3aa437ef83
[INFO] running `Command { std: "docker" "start" "-a" "6810c1ed4e925a82f38f71905c55ab2b7dbacf0635a872f1a3a88f3aa437ef83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6810c1ed4e925a82f38f71905c55ab2b7dbacf0635a872f1a3a88f3aa437ef83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6810c1ed4e925a82f38f71905c55ab2b7dbacf0635a872f1a3a88f3aa437ef83", kill_on_drop: false }`
[INFO] [stdout] 6810c1ed4e925a82f38f71905c55ab2b7dbacf0635a872f1a3a88f3aa437ef83
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a17dffec1cb5bf53274fa2ecc8f3ce6a7ae08cf8b1166d6aadcce7b4c6c7599e
[INFO] running `Command { std: "docker" "start" "-a" "a17dffec1cb5bf53274fa2ecc8f3ce6a7ae08cf8b1166d6aadcce7b4c6c7599e", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/fibo_bench.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `example` target `fibo_bench`
[INFO] [stderr]   * `bench` target `fibo_bench`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking phf v0.9.0
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]     Checking raw-cpuid v10.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a17dffec1cb5bf53274fa2ecc8f3ce6a7ae08cf8b1166d6aadcce7b4c6c7599e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17dffec1cb5bf53274fa2ecc8f3ce6a7ae08cf8b1166d6aadcce7b4c6c7599e", kill_on_drop: false }`
[INFO] [stdout] a17dffec1cb5bf53274fa2ecc8f3ce6a7ae08cf8b1166d6aadcce7b4c6c7599e
[INFO] checking criterion-perf-events-0.4.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate criterion-perf-events 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate criterion-perf-events 0.4.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate criterion-perf-events 0.4.0
[INFO] finished tweaking crates.io crate criterion-perf-events 0.4.0
[INFO] tweaked toml for crates.io crate criterion-perf-events 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate criterion-perf-events 0.4.0 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/fibo_bench.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `example` target `fibo_bench`
[INFO] [stderr]   * `bench` target `fibo_bench`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aff9d4677fa961f7744438b4f63009bd9328b6c05a4099937c0950d33b2f4e8
[INFO] running `Command { std: "docker" "start" "-a" "7aff9d4677fa961f7744438b4f63009bd9328b6c05a4099937c0950d33b2f4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aff9d4677fa961f7744438b4f63009bd9328b6c05a4099937c0950d33b2f4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aff9d4677fa961f7744438b4f63009bd9328b6c05a4099937c0950d33b2f4e8", kill_on_drop: false }`
[INFO] [stdout] 7aff9d4677fa961f7744438b4f63009bd9328b6c05a4099937c0950d33b2f4e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf24f5080741174c79d7fc662c2c6747cbfe28eaa330f00e0c84a0b8936e9c04
[INFO] running `Command { std: "docker" "start" "-a" "bf24f5080741174c79d7fc662c2c6747cbfe28eaa330f00e0c84a0b8936e9c04", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "bf24f5080741174c79d7fc662c2c6747cbfe28eaa330f00e0c84a0b8936e9c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf24f5080741174c79d7fc662c2c6747cbfe28eaa330f00e0c84a0b8936e9c04", kill_on_drop: false }`
[INFO] [stdout] bf24f5080741174c79d7fc662c2c6747cbfe28eaa330f00e0c84a0b8936e9c04