[INFO] fetching crate killswitch 0.4.2...
[INFO] checking killswitch-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate killswitch 0.4.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate killswitch 0.4.2 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 killswitch 0.4.2
[INFO] finished tweaking crates.io crate killswitch 0.4.2
[INFO] tweaked toml for crates.io crate killswitch 0.4.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate killswitch 0.4.2 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 tokio-test v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 75b4127c98f5a45e96daf41a1bc2ec474598c3c492bacc65ea7ebd79625c07a1
[INFO] running `Command { std: "docker" "start" "-a" "75b4127c98f5a45e96daf41a1bc2ec474598c3c492bacc65ea7ebd79625c07a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b4127c98f5a45e96daf41a1bc2ec474598c3c492bacc65ea7ebd79625c07a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b4127c98f5a45e96daf41a1bc2ec474598c3c492bacc65ea7ebd79625c07a1", kill_on_drop: false }`
[INFO] [stdout] 75b4127c98f5a45e96daf41a1bc2ec474598c3c492bacc65ea7ebd79625c07a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 02ada6f0bf3748db7a0fe6369b4c76d0e5f378f13df208aced5af81d6da760fe
[INFO] running `Command { std: "docker" "start" "-a" "02ada6f0bf3748db7a0fe6369b4c76d0e5f378f13df208aced5af81d6da760fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking killswitch v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-test v0.4.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "02ada6f0bf3748db7a0fe6369b4c76d0e5f378f13df208aced5af81d6da760fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ada6f0bf3748db7a0fe6369b4c76d0e5f378f13df208aced5af81d6da760fe", kill_on_drop: false }`
[INFO] [stdout] 02ada6f0bf3748db7a0fe6369b4c76d0e5f378f13df208aced5af81d6da760fe