[INFO] fetching crate rf-fetch 1.0.0...
[INFO] checking rf-fetch-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rf-fetch 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rf-fetch 1.0.0 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 crates.io crate rf-fetch 1.0.0
[INFO] finished tweaking crates.io crate rf-fetch 1.0.0
[INFO] tweaked toml for crates.io crate rf-fetch 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate rf-fetch 1.0.0 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 syn v1.0.70
[INFO] [stderr]   Downloaded raw-cpuid v9.0.0
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded sys-info v0.9.0
[INFO] [stderr]   Downloaded passwd v0.0.1
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded whoami v1.1.2
[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] b6ca1cfe346cc559de69b0963d53d8af97e45653654b1ad4614fb6cece342ce8
[INFO] running `Command { std: "docker" "start" "-a" "b6ca1cfe346cc559de69b0963d53d8af97e45653654b1ad4614fb6cece342ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ca1cfe346cc559de69b0963d53d8af97e45653654b1ad4614fb6cece342ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ca1cfe346cc559de69b0963d53d8af97e45653654b1ad4614fb6cece342ce8", kill_on_drop: false }`
[INFO] [stdout] b6ca1cfe346cc559de69b0963d53d8af97e45653654b1ad4614fb6cece342ce8
[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] 966effa669e325945e297d20b280038a46a95a88eb0e64ee218eb61e7d3f2ccd
[INFO] running `Command { std: "docker" "start" "-a" "966effa669e325945e297d20b280038a46a95a88eb0e64ee218eb61e7d3f2ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling sys-info v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking passwd v0.0.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking rf-fetch v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "966effa669e325945e297d20b280038a46a95a88eb0e64ee218eb61e7d3f2ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966effa669e325945e297d20b280038a46a95a88eb0e64ee218eb61e7d3f2ccd", kill_on_drop: false }`
[INFO] [stdout] 966effa669e325945e297d20b280038a46a95a88eb0e64ee218eb61e7d3f2ccd