[INFO] cloning repository https://github.com/FloatSheep/backup-dog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FloatSheep/backup-dog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloatSheep%2Fbackup-dog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloatSheep%2Fbackup-dog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 539fa241f5a6eb12d412780f70f56a38f9b55572
[INFO] checking FloatSheep/backup-dog against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloatSheep%2Fbackup-dog" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FloatSheep/backup-dog 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/FloatSheep/backup-dog
[INFO] finished tweaking git repo https://github.com/FloatSheep/backup-dog
[INFO] tweaked toml for git repo https://github.com/FloatSheep/backup-dog written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FloatSheep/backup-dog 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 crossbeam-utils v0.8.17
[INFO] [stderr]   Downloaded file-id v0.2.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.9
[INFO] [stderr]   Downloaded notify-debouncer-full v0.3.1
[INFO] [stderr]   Downloaded windows-service v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aaf942415393c45e8b265fea8a9345db80455e4b853881e635502f84cde39200
[INFO] running `Command { std: "docker" "start" "-a" "aaf942415393c45e8b265fea8a9345db80455e4b853881e635502f84cde39200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf942415393c45e8b265fea8a9345db80455e4b853881e635502f84cde39200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf942415393c45e8b265fea8a9345db80455e4b853881e635502f84cde39200", kill_on_drop: false }`
[INFO] [stdout] aaf942415393c45e8b265fea8a9345db80455e4b853881e635502f84cde39200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7e8685434312a1ede32e7652bd0aa0c2a1c91b9bf55991ae342650910f68f761
[INFO] running `Command { std: "docker" "start" "-a" "7e8685434312a1ede32e7652bd0aa0c2a1c91b9bf55991ae342650910f68f761", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking file-id v0.2.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking windows-service v0.5.0
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking crossbeam-channel v0.5.9
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking notify v5.2.0
[INFO] [stderr]     Checking notify-debouncer-full v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking backup-dog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Write};
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.67s
[INFO] running `Command { std: "docker" "inspect" "7e8685434312a1ede32e7652bd0aa0c2a1c91b9bf55991ae342650910f68f761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8685434312a1ede32e7652bd0aa0c2a1c91b9bf55991ae342650910f68f761", kill_on_drop: false }`
[INFO] [stdout] 7e8685434312a1ede32e7652bd0aa0c2a1c91b9bf55991ae342650910f68f761