[INFO] fetching crate ifmt 0.3.3...
[INFO] checking ifmt-0.3.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ifmt 0.3.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ifmt 0.3.3 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 ifmt 0.3.3
[INFO] finished tweaking crates.io crate ifmt 0.3.3
[INFO] tweaked toml for crates.io crate ifmt 0.3.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 ifmt-impl v0.3.3
[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] e3761bbca46c9d5ac81172aa388a037c9799264046f903055790c846623ec452
[INFO] running `Command { std: "docker" "start" "-a" "e3761bbca46c9d5ac81172aa388a037c9799264046f903055790c846623ec452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3761bbca46c9d5ac81172aa388a037c9799264046f903055790c846623ec452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3761bbca46c9d5ac81172aa388a037c9799264046f903055790c846623ec452", kill_on_drop: false }`
[INFO] [stdout] e3761bbca46c9d5ac81172aa388a037c9799264046f903055790c846623ec452
[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] 827ae93de3ba5477bfdea31a41f6f1ccf0f0cb11b6c73c886d793be8505db25e
[INFO] running `Command { std: "docker" "start" "-a" "827ae93de3ba5477bfdea31a41f6f1ccf0f0cb11b6c73c886d793be8505db25e", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling ifmt-impl v0.3.3
[INFO] [stderr]     Checking ifmt v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "827ae93de3ba5477bfdea31a41f6f1ccf0f0cb11b6c73c886d793be8505db25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827ae93de3ba5477bfdea31a41f6f1ccf0f0cb11b6c73c886d793be8505db25e", kill_on_drop: false }`
[INFO] [stdout] 827ae93de3ba5477bfdea31a41f6f1ccf0f0cb11b6c73c886d793be8505db25e