[INFO] fetching crate set-cargo-version 1.2.1...
[INFO] checking set-cargo-version-1.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate set-cargo-version 1.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate set-cargo-version 1.2.1 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 set-cargo-version 1.2.1
[INFO] finished tweaking crates.io crate set-cargo-version 1.2.1
[INFO] tweaked toml for crates.io crate set-cargo-version 1.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate set-cargo-version 1.2.1 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 toml_edit v0.14.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7ef620e1afcc730af15651592477bd6ddcca92b6335bac9a0ba471fb42d136d2
[INFO] running `Command { std: "docker" "start" "-a" "7ef620e1afcc730af15651592477bd6ddcca92b6335bac9a0ba471fb42d136d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ef620e1afcc730af15651592477bd6ddcca92b6335bac9a0ba471fb42d136d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef620e1afcc730af15651592477bd6ddcca92b6335bac9a0ba471fb42d136d2", kill_on_drop: false }`
[INFO] [stdout] 7ef620e1afcc730af15651592477bd6ddcca92b6335bac9a0ba471fb42d136d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b16f3861adf7e5003b77b1f17f444fe552b8f0e46297f99c10dd8ba5f8788f4e
[INFO] running `Command { std: "docker" "start" "-a" "b16f3861adf7e5003b77b1f17f444fe552b8f0e46297f99c10dd8ba5f8788f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking combine v4.6.3
[INFO] [stderr]     Checking toml_edit v0.14.4
[INFO] [stderr]     Checking set-cargo-version v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.09s
[INFO] running `Command { std: "docker" "inspect" "b16f3861adf7e5003b77b1f17f444fe552b8f0e46297f99c10dd8ba5f8788f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16f3861adf7e5003b77b1f17f444fe552b8f0e46297f99c10dd8ba5f8788f4e", kill_on_drop: false }`
[INFO] [stdout] b16f3861adf7e5003b77b1f17f444fe552b8f0e46297f99c10dd8ba5f8788f4e
[INFO] checking set-cargo-version-1.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate set-cargo-version 1.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate set-cargo-version 1.2.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate set-cargo-version 1.2.1
[INFO] finished tweaking crates.io crate set-cargo-version 1.2.1
[INFO] tweaked toml for crates.io crate set-cargo-version 1.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate set-cargo-version 1.2.1 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92b81065d72c3ec5c4cedcb568ed533f2d92b4a1e911c40625afdd16efe5a0fa
[INFO] running `Command { std: "docker" "start" "-a" "92b81065d72c3ec5c4cedcb568ed533f2d92b4a1e911c40625afdd16efe5a0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92b81065d72c3ec5c4cedcb568ed533f2d92b4a1e911c40625afdd16efe5a0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b81065d72c3ec5c4cedcb568ed533f2d92b4a1e911c40625afdd16efe5a0fa", kill_on_drop: false }`
[INFO] [stdout] 92b81065d72c3ec5c4cedcb568ed533f2d92b4a1e911c40625afdd16efe5a0fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46529f0d516f33c7670f3a23c3670c00f336e2f5a50c18fecdfd359e3f35f2a9
[INFO] running `Command { std: "docker" "start" "-a" "46529f0d516f33c7670f3a23c3670c00f336e2f5a50c18fecdfd359e3f35f2a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking combine v4.6.3
[INFO] [stderr]     Checking toml_edit v0.14.4
[INFO] [stderr]     Checking set-cargo-version v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.10s
[INFO] running `Command { std: "docker" "inspect" "46529f0d516f33c7670f3a23c3670c00f336e2f5a50c18fecdfd359e3f35f2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46529f0d516f33c7670f3a23c3670c00f336e2f5a50c18fecdfd359e3f35f2a9", kill_on_drop: false }`
[INFO] [stdout] 46529f0d516f33c7670f3a23c3670c00f336e2f5a50c18fecdfd359e3f35f2a9