[INFO] fetching crate ebur128 0.1.8...
[INFO] checking ebur128-0.1.8 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate ebur128 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ebur128 0.1.8 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] started tweaking crates.io crate ebur128 0.1.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ebur128 0.1.8
[INFO] tweaked toml for crates.io crate ebur128 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ebur128 0.1.8 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float_eq v1.0.1
[INFO] [stderr]   Downloaded quickcheck_macros v0.9.1
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded ebur128 v0.1.1
[INFO] [stderr]   Downloaded dasp_frame v0.11.0
[INFO] [stderr]   Downloaded clap v3.2.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a006dcd7f788d03eab9d98fb7506b524386c156318215bb8d0e265ffc897a5f3
[INFO] running `Command { std: "docker" "start" "-a" "a006dcd7f788d03eab9d98fb7506b524386c156318215bb8d0e265ffc897a5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a006dcd7f788d03eab9d98fb7506b524386c156318215bb8d0e265ffc897a5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a006dcd7f788d03eab9d98fb7506b524386c156318215bb8d0e265ffc897a5f3", kill_on_drop: false }`
[INFO] [stdout] a006dcd7f788d03eab9d98fb7506b524386c156318215bb8d0e265ffc897a5f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 41818daff604123acfa88ad722d49de1ed66d1b6745189d4cda37cd422175554
[INFO] running `Command { std: "docker" "start" "-a" "41818daff604123acfa88ad722d49de1ed66d1b6745189d4cda37cd422175554", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 os_str_bytes v6.5.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[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" "41818daff604123acfa88ad722d49de1ed66d1b6745189d4cda37cd422175554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41818daff604123acfa88ad722d49de1ed66d1b6745189d4cda37cd422175554", kill_on_drop: false }`
[INFO] [stdout] 41818daff604123acfa88ad722d49de1ed66d1b6745189d4cda37cd422175554
[INFO] checking ebur128-0.1.8 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate ebur128 0.1.8 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ebur128 0.1.8 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] started tweaking crates.io crate ebur128 0.1.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ebur128 0.1.8
[INFO] tweaked toml for crates.io crate ebur128 0.1.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ebur128 0.1.8 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 87e8d1b207ff21110cc8847a044bb72c3fc89d6869397544b22013db3f37b168
[INFO] running `Command { std: "docker" "start" "-a" "87e8d1b207ff21110cc8847a044bb72c3fc89d6869397544b22013db3f37b168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87e8d1b207ff21110cc8847a044bb72c3fc89d6869397544b22013db3f37b168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e8d1b207ff21110cc8847a044bb72c3fc89d6869397544b22013db3f37b168", kill_on_drop: false }`
[INFO] [stdout] 87e8d1b207ff21110cc8847a044bb72c3fc89d6869397544b22013db3f37b168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f36214c073cb438edf926b8922e2af573199df56b009023db8e63a228d6ae91e
[INFO] running `Command { std: "docker" "start" "-a" "f36214c073cb438edf926b8922e2af573199df56b009023db8e63a228d6ae91e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "f36214c073cb438edf926b8922e2af573199df56b009023db8e63a228d6ae91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36214c073cb438edf926b8922e2af573199df56b009023db8e63a228d6ae91e", kill_on_drop: false }`
[INFO] [stdout] f36214c073cb438edf926b8922e2af573199df56b009023db8e63a228d6ae91e