[INFO] fetching crate tracing-bunyan-formatter 0.3.9...
[INFO] checking tracing-bunyan-formatter-0.3.9 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate tracing-bunyan-formatter 0.3.9 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tracing-bunyan-formatter 0.3.9 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 tracing-bunyan-formatter 0.3.9
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tracing-bunyan-formatter 0.3.9
[INFO] tweaked toml for crates.io crate tracing-bunyan-formatter 0.3.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate tracing-bunyan-formatter 0.3.9 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 valuable-serde v0.1.0
[INFO] [stderr]   Downloaded ahash v0.8.2
[INFO] [stderr]   Downloaded claims v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 37290a8016634058244a8b8787686961f1f6a6d719af1ae42730d1d83756c7af
[INFO] running `Command { std: "docker" "start" "-a" "37290a8016634058244a8b8787686961f1f6a6d719af1ae42730d1d83756c7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37290a8016634058244a8b8787686961f1f6a6d719af1ae42730d1d83756c7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37290a8016634058244a8b8787686961f1f6a6d719af1ae42730d1d83756c7af", kill_on_drop: false }`
[INFO] [stdout] 37290a8016634058244a8b8787686961f1f6a6d719af1ae42730d1d83756c7af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 996c65ca6a546c2e5ce08da5e6bbf73f685e7bdd3376a8e477e053ef9c8fa4d8
[INFO] running `Command { std: "docker" "start" "-a" "996c65ca6a546c2e5ce08da5e6bbf73f685e7bdd3376a8e477e053ef9c8fa4d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling claims v0.6.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking ryu v1.0.12
[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 tracing-log v0.1.3
[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" "996c65ca6a546c2e5ce08da5e6bbf73f685e7bdd3376a8e477e053ef9c8fa4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996c65ca6a546c2e5ce08da5e6bbf73f685e7bdd3376a8e477e053ef9c8fa4d8", kill_on_drop: false }`
[INFO] [stdout] 996c65ca6a546c2e5ce08da5e6bbf73f685e7bdd3376a8e477e053ef9c8fa4d8
[INFO] checking tracing-bunyan-formatter-0.3.9 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate tracing-bunyan-formatter 0.3.9 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tracing-bunyan-formatter 0.3.9 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 tracing-bunyan-formatter 0.3.9
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tracing-bunyan-formatter 0.3.9
[INFO] tweaked toml for crates.io crate tracing-bunyan-formatter 0.3.9 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate tracing-bunyan-formatter 0.3.9 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c026c9c7b864ec91bc3bd99ae760ba7081510879dadf97a5c132791547084164
[INFO] running `Command { std: "docker" "start" "-a" "c026c9c7b864ec91bc3bd99ae760ba7081510879dadf97a5c132791547084164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c026c9c7b864ec91bc3bd99ae760ba7081510879dadf97a5c132791547084164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c026c9c7b864ec91bc3bd99ae760ba7081510879dadf97a5c132791547084164", kill_on_drop: false }`
[INFO] [stdout] c026c9c7b864ec91bc3bd99ae760ba7081510879dadf97a5c132791547084164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ea546b384651e42bf469a41adc3f05d06181aa0ba9db9a76ebfb20cfb4b18fc1
[INFO] running `Command { std: "docker" "start" "-a" "ea546b384651e42bf469a41adc3f05d06181aa0ba9db9a76ebfb20cfb4b18fc1", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "ea546b384651e42bf469a41adc3f05d06181aa0ba9db9a76ebfb20cfb4b18fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea546b384651e42bf469a41adc3f05d06181aa0ba9db9a76ebfb20cfb4b18fc1", kill_on_drop: false }`
[INFO] [stdout] ea546b384651e42bf469a41adc3f05d06181aa0ba9db9a76ebfb20cfb4b18fc1