[INFO] fetching crate ac_tram_types 2.0.1...
[INFO] checking ac_tram_types-2.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ac_tram_types 2.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ac_tram_types 2.0.1 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 ac_tram_types 2.0.1
[INFO] finished tweaking crates.io crate ac_tram_types 2.0.1
[INFO] tweaked toml for crates.io crate ac_tram_types 2.0.1 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 212 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
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[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 ...
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[INFO] [stderr]   Downloaded snap v1.1.1
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[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] 289edeff0d53f3c87fdbaeea4b45af7017968081a30d1c8904b83335dc574010
[INFO] running `Command { std: "docker" "start" "-a" "289edeff0d53f3c87fdbaeea4b45af7017968081a30d1c8904b83335dc574010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "289edeff0d53f3c87fdbaeea4b45af7017968081a30d1c8904b83335dc574010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289edeff0d53f3c87fdbaeea4b45af7017968081a30d1c8904b83335dc574010", kill_on_drop: false }`
[INFO] [stdout] 289edeff0d53f3c87fdbaeea4b45af7017968081a30d1c8904b83335dc574010
[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] c3caa9837db418e96445590c94e70ad15100c6c195ea2921db57f767a7025bd5
[INFO] running `Command { std: "docker" "start" "-a" "c3caa9837db418e96445590c94e70ad15100c6c195ea2921db57f767a7025bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking futures-sink v0.3.30
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[INFO] [stderr]     Checking untrusted v0.9.0
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[INFO] [stderr]    Compiling futures-macro v0.3.30
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[INFO] [stderr]     Checking tokio-rustls v0.24.1
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[INFO] [stderr]     Checking mongodb v2.8.2
[INFO] [stderr]     Checking mungos v0.4.22
[INFO] [stderr]     Checking ac_tram_types v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.18s
[INFO] running `Command { std: "docker" "inspect" "c3caa9837db418e96445590c94e70ad15100c6c195ea2921db57f767a7025bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3caa9837db418e96445590c94e70ad15100c6c195ea2921db57f767a7025bd5", kill_on_drop: false }`
[INFO] [stdout] c3caa9837db418e96445590c94e70ad15100c6c195ea2921db57f767a7025bd5