[INFO] cloning repository https://github.com/voltpkg/license-checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voltpkg/license-checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Flicense-checker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Flicense-checker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38d831321cd07ad96368b3d310bfbe911752471c
[INFO] checking voltpkg/license-checker against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Flicense-checker" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/voltpkg/license-checker 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] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/voltpkg/license-checker
[INFO] finished tweaking git repo https://github.com/voltpkg/license-checker
[INFO] tweaked toml for git repo https://github.com/voltpkg/license-checker written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/voltpkg/license-checker 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 treeify v0.1.4
[INFO] [stderr]   Downloaded miette-derive v3.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.49
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded node-semver v2.0.0
[INFO] [stderr]   Downloaded tint v1.0.1
[INFO] [stderr]   Downloaded miette v3.2.0
[INFO] [stderr]   Downloaded ptree v0.4.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc3e4778aa026095d9e3fdeb2e76d1ea9bd1cc8008a8ff43faae7cbb52d19a6a
[INFO] running `Command { std: "docker" "start" "-a" "dc3e4778aa026095d9e3fdeb2e76d1ea9bd1cc8008a8ff43faae7cbb52d19a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc3e4778aa026095d9e3fdeb2e76d1ea9bd1cc8008a8ff43faae7cbb52d19a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3e4778aa026095d9e3fdeb2e76d1ea9bd1cc8008a8ff43faae7cbb52d19a6a", kill_on_drop: false }`
[INFO] [stdout] dc3e4778aa026095d9e3fdeb2e76d1ea9bd1cc8008a8ff43faae7cbb52d19a6a
[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=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] ab6d1c8d162b618f50ea7e2d583f647488a0f13fbb271adf7a738500a157b192
[INFO] running `Command { std: "docker" "start" "-a" "ab6d1c8d162b618f50ea7e2d583f647488a0f13fbb271adf7a738500a157b192", kill_on_drop: false }`
[INFO] [stderr] warning: volt-license-checker v0.0.1 (/opt/rustwide/workdir) ignoring invalid dependency `treeify` which is missing a lib target
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.49
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miette-derive v3.2.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking miette v3.2.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking node-semver v2.0.0
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking ptree v0.4.0
[INFO] [stderr]     Checking volt-license-checker v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.34s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[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" "ab6d1c8d162b618f50ea7e2d583f647488a0f13fbb271adf7a738500a157b192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6d1c8d162b618f50ea7e2d583f647488a0f13fbb271adf7a738500a157b192", kill_on_drop: false }`
[INFO] [stdout] ab6d1c8d162b618f50ea7e2d583f647488a0f13fbb271adf7a738500a157b192