[INFO] fetching crate fpipe 0.1.3...
[INFO] checking fpipe-0.1.3 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate fpipe 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate fpipe 0.1.3 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 fpipe 0.1.3
[INFO] finished tweaking crates.io crate fpipe 0.1.3
[INFO] tweaked toml for crates.io crate fpipe 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate fpipe 0.1.3 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor-clap v0.1.0
[INFO] [stderr]   Downloaded predicates v3.0.1
[INFO] [stderr]   Downloaded test_dir v0.2.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.10
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15f9f6a2af4a89c086dbe03272fc782ac3010adcf2b31b93bab18a32d6ccea33
[INFO] running `Command { std: "docker" "start" "-a" "15f9f6a2af4a89c086dbe03272fc782ac3010adcf2b31b93bab18a32d6ccea33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15f9f6a2af4a89c086dbe03272fc782ac3010adcf2b31b93bab18a32d6ccea33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f9f6a2af4a89c086dbe03272fc782ac3010adcf2b31b93bab18a32d6ccea33", kill_on_drop: false }`
[INFO] [stdout] 15f9f6a2af4a89c086dbe03272fc782ac3010adcf2b31b93bab18a32d6ccea33
[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=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] 048c6be8572ad50890b89fd63478ff8529f4be5b68462642c45c0edca90f173d
[INFO] running `Command { std: "docker" "start" "-a" "048c6be8572ad50890b89fd63478ff8529f4be5b68462642c45c0edca90f173d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking anstyle v0.3.5
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/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] [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" "048c6be8572ad50890b89fd63478ff8529f4be5b68462642c45c0edca90f173d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048c6be8572ad50890b89fd63478ff8529f4be5b68462642c45c0edca90f173d", kill_on_drop: false }`
[INFO] [stdout] 048c6be8572ad50890b89fd63478ff8529f4be5b68462642c45c0edca90f173d
[INFO] checking fpipe-0.1.3 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate fpipe 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate fpipe 0.1.3 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 fpipe 0.1.3
[INFO] finished tweaking crates.io crate fpipe 0.1.3
[INFO] tweaked toml for crates.io crate fpipe 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate fpipe 0.1.3 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4c3904e9a284ae731441f4931bf8d26ba16c2c4957ccfe8eb5b37439d1db1a38
[INFO] running `Command { std: "docker" "start" "-a" "4c3904e9a284ae731441f4931bf8d26ba16c2c4957ccfe8eb5b37439d1db1a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c3904e9a284ae731441f4931bf8d26ba16c2c4957ccfe8eb5b37439d1db1a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3904e9a284ae731441f4931bf8d26ba16c2c4957ccfe8eb5b37439d1db1a38", kill_on_drop: false }`
[INFO] [stdout] 4c3904e9a284ae731441f4931bf8d26ba16c2c4957ccfe8eb5b37439d1db1a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3e89b43342ab63bf07f57064d608a8a14afddd1a872cb0167785172de4c5d6f5
[INFO] running `Command { std: "docker" "start" "-a" "3e89b43342ab63bf07f57064d608a8a14afddd1a872cb0167785172de4c5d6f5", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "3e89b43342ab63bf07f57064d608a8a14afddd1a872cb0167785172de4c5d6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e89b43342ab63bf07f57064d608a8a14afddd1a872cb0167785172de4c5d6f5", kill_on_drop: false }`
[INFO] [stdout] 3e89b43342ab63bf07f57064d608a8a14afddd1a872cb0167785172de4c5d6f5