[INFO] cloning repository https://github.com/Natasha-Khaustova/KhaustovaLab4_PrLanguages
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Natasha-Khaustova/KhaustovaLab4_PrLanguages" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatasha-Khaustova%2FKhaustovaLab4_PrLanguages", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatasha-Khaustova%2FKhaustovaLab4_PrLanguages'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66a33de5cf188203bc5fcae10163d9c6d880bbc3
[INFO] checking Natasha-Khaustova/KhaustovaLab4_PrLanguages against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatasha-Khaustova%2FKhaustovaLab4_PrLanguages" "/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/Natasha-Khaustova/KhaustovaLab4_PrLanguages 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/Natasha-Khaustova/KhaustovaLab4_PrLanguages
[INFO] finished tweaking git repo https://github.com/Natasha-Khaustova/KhaustovaLab4_PrLanguages
[INFO] tweaked toml for git repo https://github.com/Natasha-Khaustova/KhaustovaLab4_PrLanguages written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Natasha-Khaustova/KhaustovaLab4_PrLanguages 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] 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] c5c224072a617945ad4b205866722a503da70745abb5ad258f6c971c2643c337
[INFO] running `Command { std: "docker" "start" "-a" "c5c224072a617945ad4b205866722a503da70745abb5ad258f6c971c2643c337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5c224072a617945ad4b205866722a503da70745abb5ad258f6c971c2643c337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c224072a617945ad4b205866722a503da70745abb5ad258f6c971c2643c337", kill_on_drop: false }`
[INFO] [stdout] c5c224072a617945ad4b205866722a503da70745abb5ad258f6c971c2643c337
[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] 69bdf94de062e2e802655876532aa14e2b5b697c79edf1da860d0f4dce98c645
[INFO] running `Command { std: "docker" "start" "-a" "69bdf94de062e2e802655876532aa14e2b5b697c79edf1da860d0f4dce98c645", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.23
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.23
[INFO] [stderr]     Checking lab4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.08s
[INFO] running `Command { std: "docker" "inspect" "69bdf94de062e2e802655876532aa14e2b5b697c79edf1da860d0f4dce98c645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69bdf94de062e2e802655876532aa14e2b5b697c79edf1da860d0f4dce98c645", kill_on_drop: false }`
[INFO] [stdout] 69bdf94de062e2e802655876532aa14e2b5b697c79edf1da860d0f4dce98c645