[INFO] cloning repository https://github.com/CAD97/rust-lexical-spec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CAD97/rust-lexical-spec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Frust-lexical-spec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Frust-lexical-spec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d273c31d8439c09664d5a2b17b33eae10e05030b
[INFO] checking CAD97/rust-lexical-spec against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Frust-lexical-spec" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CAD97/rust-lexical-spec 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 git repo https://github.com/CAD97/rust-lexical-spec
[INFO] finished tweaking git repo https://github.com/CAD97/rust-lexical-spec
[INFO] tweaked toml for git repo https://github.com/CAD97/rust-lexical-spec written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CAD97/rust-lexical-spec 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded logos v0.11.2
[INFO] [stderr]   Downloaded console v0.10.0
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded serde_json v1.0.51
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded logos-derive v0.11.4
[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] 2d686848323b1e2e4d3bd7b6e4dae08f209aaff23dd6ef70b8485cd2da66dca1
[INFO] running `Command { std: "docker" "start" "-a" "2d686848323b1e2e4d3bd7b6e4dae08f209aaff23dd6ef70b8485cd2da66dca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d686848323b1e2e4d3bd7b6e4dae08f209aaff23dd6ef70b8485cd2da66dca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d686848323b1e2e4d3bd7b6e4dae08f209aaff23dd6ef70b8485cd2da66dca1", kill_on_drop: false }`
[INFO] [stdout] 2d686848323b1e2e4d3bd7b6e4dae08f209aaff23dd6ef70b8485cd2da66dca1
[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] 000871e2cae2e4383afc4d43b2a240bd72bc4154dff5ca896f40b8673e6f9e43
[INFO] running `Command { std: "docker" "start" "-a" "000871e2cae2e4383afc4d43b2a240bd72bc4154dff5ca896f40b8673e6f9e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking lexical-specification v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `class` and `length` are never read
[INFO] [stdout]   --> src/cooked/mod.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 65 |     class: Class,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 66 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking insta v0.16.0
[INFO] [stdout] warning: fields `class` and `length` are never read
[INFO] [stdout]   --> src/cooked/mod.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 65 |     class: Class,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 66 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.24s
[INFO] running `Command { std: "docker" "inspect" "000871e2cae2e4383afc4d43b2a240bd72bc4154dff5ca896f40b8673e6f9e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000871e2cae2e4383afc4d43b2a240bd72bc4154dff5ca896f40b8673e6f9e43", kill_on_drop: false }`
[INFO] [stdout] 000871e2cae2e4383afc4d43b2a240bd72bc4154dff5ca896f40b8673e6f9e43