[INFO] cloning repository https://github.com/tensordot/syntaxdot-labels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tensordot/syntaxdot-labels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensordot%2Fsyntaxdot-labels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensordot%2Fsyntaxdot-labels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b174e570ecace6073058b7c4bc0974a5b22f1076
[INFO] checking tensordot/syntaxdot-labels against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensordot%2Fsyntaxdot-labels" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tensordot/syntaxdot-labels
[INFO] finished tweaking git repo https://github.com/tensordot/syntaxdot-labels
[INFO] tweaked toml for git repo https://github.com/tensordot/syntaxdot-labels written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tensordot/syntaxdot-labels on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tensordot/syntaxdot-labels 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded udgraph v0.7.0
[INFO] [stderr]   Downloaded numberer v0.2.0
[INFO] [stderr]   Downloaded seqalign v0.2.2
[INFO] [stderr]   Downloaded ordered-float v2.7.0
[INFO] [stderr]   Downloaded caseless v0.2.1
[INFO] [stderr]   Downloaded fixedbitset v0.4.0
[INFO] [stderr]   Downloaded stdinout v0.4.1
[INFO] [stderr]   Downloaded ohnomore v0.4.0
[INFO] [stderr]   Downloaded conllu v0.7.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded syntaxdot-encoders v0.4.0
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded ndarray v0.15.3
[INFO] [stderr]   Downloaded fst v0.4.7
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b22c39ad91301c7d04c5c77685398c44c2b10386a79429d79b3e4895a1afe2aa
[INFO] running `Command { std: "docker" "start" "-a" "b22c39ad91301c7d04c5c77685398c44c2b10386a79429d79b3e4895a1afe2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b22c39ad91301c7d04c5c77685398c44c2b10386a79429d79b3e4895a1afe2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22c39ad91301c7d04c5c77685398c44c2b10386a79429d79b3e4895a1afe2aa", kill_on_drop: false }`
[INFO] [stdout] b22c39ad91301c7d04c5c77685398c44c2b10386a79429d79b3e4895a1afe2aa
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd3ae15f9a00167700286fd32f7f4485ebe1cd7a387b8a1beaa376acfa8462e
[INFO] running `Command { std: "docker" "start" "-a" "3fd3ae15f9a00167700286fd32f7f4485ebe1cd7a387b8a1beaa376acfa8462e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking seqalign v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking udgraph v0.7.0
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking conllu v0.7.0
[INFO] [stderr]     Checking ohnomore v0.4.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking numberer v0.2.0
[INFO] [stderr]     Checking syntaxdot-encoders v0.4.0
[INFO] [stderr]     Checking syntaxdot-labels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: numberer v0.2.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "3fd3ae15f9a00167700286fd32f7f4485ebe1cd7a387b8a1beaa376acfa8462e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd3ae15f9a00167700286fd32f7f4485ebe1cd7a387b8a1beaa376acfa8462e", kill_on_drop: false }`
[INFO] [stdout] 3fd3ae15f9a00167700286fd32f7f4485ebe1cd7a387b8a1beaa376acfa8462e