[INFO] cloning repository https://github.com/thomas9911/baret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomas9911/baret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fbaret", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fbaret'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19e2912cf53f6b2072c5873c1f780d28cbf58372
[INFO] checking thomas9911/baret against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fbaret" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomas9911/baret 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/thomas9911/baret
[INFO] finished tweaking git repo https://github.com/thomas9911/baret
[INFO] tweaked toml for git repo https://github.com/thomas9911/baret written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thomas9911/baret 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 shlex v1.0.0
[INFO] [stderr]   Downloaded evalexpr v6.5.0
[INFO] [stderr]   Downloaded tokio v1.10.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39afceb0e627c51107ab1c1caf90223d6f03d20e574bf56d22ee1179c3e897a5
[INFO] running `Command { std: "docker" "start" "-a" "39afceb0e627c51107ab1c1caf90223d6f03d20e574bf56d22ee1179c3e897a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39afceb0e627c51107ab1c1caf90223d6f03d20e574bf56d22ee1179c3e897a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39afceb0e627c51107ab1c1caf90223d6f03d20e574bf56d22ee1179c3e897a5", kill_on_drop: false }`
[INFO] [stdout] 39afceb0e627c51107ab1c1caf90223d6f03d20e574bf56d22ee1179c3e897a5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db3023c4dc7717d08de72e57554aaf41d0fbfc6a434f34df20b8bd94eb103f11
[INFO] running `Command { std: "docker" "start" "-a" "db3023c4dc7717d08de72e57554aaf41d0fbfc6a434f34df20b8bd94eb103f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking evalexpr v6.5.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking shlex v1.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking assert_cmd v2.0.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.5.1
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking serde_with v1.11.0
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking baret v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.15s
[INFO] running `Command { std: "docker" "inspect" "db3023c4dc7717d08de72e57554aaf41d0fbfc6a434f34df20b8bd94eb103f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3023c4dc7717d08de72e57554aaf41d0fbfc6a434f34df20b8bd94eb103f11", kill_on_drop: false }`
[INFO] [stdout] db3023c4dc7717d08de72e57554aaf41d0fbfc6a434f34df20b8bd94eb103f11