[INFO] fetching crate conllu-utils 0.1.8...
[INFO] checking conllu-utils-0.1.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate conllu-utils 0.1.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate conllu-utils 0.1.8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conllu-utils 0.1.8
[INFO] finished tweaking crates.io crate conllu-utils 0.1.8
[INFO] tweaked toml for crates.io crate conllu-utils 0.1.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate conllu-utils 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded stdinout v0.4.1
[INFO] [stderr]   Downloaded adler32 v1.0.4
[INFO] [stderr]   Downloaded conllu v0.6.0
[INFO] [stderr]   Downloaded udgraph v0.6.0
[INFO] [stderr]   Downloaded thiserror v1.0.16
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded anyhow v1.0.28
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded flate2 v1.0.14
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded unicode-normalization v0.1.12
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
[INFO] [stderr]   Downloaded crc32fast v1.2.0
[INFO] [stderr]   Downloaded miniz_oxide v0.3.6
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded indexmap v1.3.2
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4a7b726ceba25f491ef3873ed0ad7379df277c22ef6cb0fb5f2fffe9a36d2ff
[INFO] running `Command { std: "docker" "start" "-a" "e4a7b726ceba25f491ef3873ed0ad7379df277c22ef6cb0fb5f2fffe9a36d2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4a7b726ceba25f491ef3873ed0ad7379df277c22ef6cb0fb5f2fffe9a36d2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a7b726ceba25f491ef3873ed0ad7379df277c22ef6cb0fb5f2fffe9a36d2ff", kill_on_drop: false }`
[INFO] [stdout] e4a7b726ceba25f491ef3873ed0ad7379df277c22ef6cb0fb5f2fffe9a36d2ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f91ee4ced4eaf2d87efd3174fa56f2e9e2ac19f4b41a31050259d766d4ec4e2d
[INFO] running `Command { std: "docker" "start" "-a" "f91ee4ced4eaf2d87efd3174fa56f2e9e2ac19f4b41a31050259d766d4ec4e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking udgraph v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking conllu v0.6.0
[INFO] [stderr]     Checking conllu-utils v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.85s
[INFO] running `Command { std: "docker" "inspect" "f91ee4ced4eaf2d87efd3174fa56f2e9e2ac19f4b41a31050259d766d4ec4e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91ee4ced4eaf2d87efd3174fa56f2e9e2ac19f4b41a31050259d766d4ec4e2d", kill_on_drop: false }`
[INFO] [stdout] f91ee4ced4eaf2d87efd3174fa56f2e9e2ac19f4b41a31050259d766d4ec4e2d