[INFO] fetching crate consprob 0.1.22...
[INFO] checking consprob-0.1.22 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate consprob 0.1.22 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate consprob 0.1.22 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 consprob 0.1.22
[INFO] finished tweaking crates.io crate consprob 0.1.22
[INFO] tweaked toml for crates.io crate consprob 0.1.22 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate consprob 0.1.22 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 itertools-num v0.1.3
[INFO] [stderr]   Downloaded triple_accel v0.4.0
[INFO] [stderr]   Downloaded enum-map-derive v0.6.0
[INFO] [stderr]   Downloaded wide v0.7.5
[INFO] [stderr]   Downloaded bio-types v0.13.0
[INFO] [stderr]   Downloaded enum-map v1.1.1
[INFO] [stderr]   Downloaded ordered-float v3.4.0
[INFO] [stderr]   Downloaded bio v1.1.0
[INFO] [stderr]   Downloaded rna-ss-params v0.1.24
[INFO] [stderr]   Downloaded rna-algos v0.1.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0354b8c28e40abc5829231e5e5fc1a17be4f545f04084df1bebc4642db583cc2
[INFO] running `Command { std: "docker" "start" "-a" "0354b8c28e40abc5829231e5e5fc1a17be4f545f04084df1bebc4642db583cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0354b8c28e40abc5829231e5e5fc1a17be4f545f04084df1bebc4642db583cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0354b8c28e40abc5829231e5e5fc1a17be4f545f04084df1bebc4642db583cc2", kill_on_drop: false }`
[INFO] [stdout] 0354b8c28e40abc5829231e5e5fc1a17be4f545f04084df1bebc4642db583cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64389d8ce92d5e60d21fff7d13ed810b6702b72a2995e8bd2faa1ad61ea1227a
[INFO] running `Command { std: "docker" "start" "-a" "64389d8ce92d5e60d21fff7d13ed810b6702b72a2995e8bd2faa1ad61ea1227a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytemuck v1.13.0
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking wide v0.7.5
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking aho-corasick v0.7.20
[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" "64389d8ce92d5e60d21fff7d13ed810b6702b72a2995e8bd2faa1ad61ea1227a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64389d8ce92d5e60d21fff7d13ed810b6702b72a2995e8bd2faa1ad61ea1227a", kill_on_drop: false }`
[INFO] [stdout] 64389d8ce92d5e60d21fff7d13ed810b6702b72a2995e8bd2faa1ad61ea1227a
[INFO] checking consprob-0.1.22 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate consprob 0.1.22 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate consprob 0.1.22 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 consprob 0.1.22
[INFO] finished tweaking crates.io crate consprob 0.1.22
[INFO] tweaked toml for crates.io crate consprob 0.1.22 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate consprob 0.1.22 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 892649dd22c07d689c09668f22e67ff7b6fefec52000218e60dce9fe61dfc4ae
[INFO] running `Command { std: "docker" "start" "-a" "892649dd22c07d689c09668f22e67ff7b6fefec52000218e60dce9fe61dfc4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892649dd22c07d689c09668f22e67ff7b6fefec52000218e60dce9fe61dfc4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892649dd22c07d689c09668f22e67ff7b6fefec52000218e60dce9fe61dfc4ae", kill_on_drop: false }`
[INFO] [stdout] 892649dd22c07d689c09668f22e67ff7b6fefec52000218e60dce9fe61dfc4ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f985ec20ec597aee56cefa4597c670a474b5b96036c162a329ccd13a64bc372e
[INFO] running `Command { std: "docker" "start" "-a" "f985ec20ec597aee56cefa4597c670a474b5b96036c162a329ccd13a64bc372e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "f985ec20ec597aee56cefa4597c670a474b5b96036c162a329ccd13a64bc372e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f985ec20ec597aee56cefa4597c670a474b5b96036c162a329ccd13a64bc372e", kill_on_drop: false }`
[INFO] [stdout] f985ec20ec597aee56cefa4597c670a474b5b96036c162a329ccd13a64bc372e