[INFO] cloning repository https://github.com/marcshapiro/rat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcshapiro/rat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcshapiro%2Frat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcshapiro%2Frat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f36eb1962f0d95ce8cd3ca319ac0c325ef11b1ce
[INFO] checking marcshapiro/rat against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcshapiro%2Frat" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcshapiro/rat 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/marcshapiro/rat
[INFO] finished tweaking git repo https://github.com/marcshapiro/rat
[INFO] tweaked toml for git repo https://github.com/marcshapiro/rat written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marcshapiro/rat 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 fd-lock v3.0.1
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded clipboard-win v4.2.2
[INFO] [stderr]   Downloaded pomelo-impl v0.1.5
[INFO] [stderr]   Downloaded pomelo v0.1.5
[INFO] [stderr]   Downloaded rustyline v9.0.0
[INFO] [stderr]   Downloaded nix v0.22.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.28.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.28.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.28.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.28.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.28.0
[INFO] [stderr]   Downloaded windows-sys v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4cf86fce1d117fa018dbc13832dcc686b91bb7acaf6d6c36900fb0ac2769fd36
[INFO] running `Command { std: "docker" "start" "-a" "4cf86fce1d117fa018dbc13832dcc686b91bb7acaf6d6c36900fb0ac2769fd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cf86fce1d117fa018dbc13832dcc686b91bb7acaf6d6c36900fb0ac2769fd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf86fce1d117fa018dbc13832dcc686b91bb7acaf6d6c36900fb0ac2769fd36", kill_on_drop: false }`
[INFO] [stdout] 4cf86fce1d117fa018dbc13832dcc686b91bb7acaf6d6c36900fb0ac2769fd36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3ee16edb501e95799f4ef311e64f203545e9cb7e77a83338086f10ab44ffd1d9
[INFO] running `Command { std: "docker" "start" "-a" "3ee16edb501e95799f4ef311e64f203545e9cb7e77a83338086f10ab44ffd1d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fd-lock v3.0.1
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling pomelo-impl v0.1.5
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking pomelo v0.1.5
[INFO] [stderr]     Checking rat v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `parse_str_to_ast_stmt` is imported redundantly
[INFO] [stdout]    --> src/bst/mod.rs:264:24
[INFO] [stdout]     |
[INFO] [stdout] 262 |     use super::*;
[INFO] [stdout]     |         -------- the item `parse_str_to_ast_stmt` is already imported here
[INFO] [stdout] 263 |     use crate::cab::Cab;
[INFO] [stdout] 264 |     use crate::parse::{parse_str_to_ast_stmt};
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 14.19s
[INFO] running `Command { std: "docker" "inspect" "3ee16edb501e95799f4ef311e64f203545e9cb7e77a83338086f10ab44ffd1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee16edb501e95799f4ef311e64f203545e9cb7e77a83338086f10ab44ffd1d9", kill_on_drop: false }`
[INFO] [stdout] 3ee16edb501e95799f4ef311e64f203545e9cb7e77a83338086f10ab44ffd1d9