[INFO] fetching crate pmfextract 0.1.0...
[INFO] checking pmfextract-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pmfextract 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate pmfextract 0.1.0 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 pmfextract 0.1.0
[INFO] finished tweaking crates.io crate pmfextract 0.1.0
[INFO] tweaked toml for crates.io crate pmfextract 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate pmfextract 0.1.0 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 libpolymesh v1.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded tar v0.4.33
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded derive_more v0.99.13
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded libc v0.2.92
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded filetime v0.2.14
[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] e43c1ac3dd85600d356b6b2304daf7f9c968ca29be2746eea07275fd77aed5b4
[INFO] running `Command { std: "docker" "start" "-a" "e43c1ac3dd85600d356b6b2304daf7f9c968ca29be2746eea07275fd77aed5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43c1ac3dd85600d356b6b2304daf7f9c968ca29be2746eea07275fd77aed5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43c1ac3dd85600d356b6b2304daf7f9c968ca29be2746eea07275fd77aed5b4", kill_on_drop: false }`
[INFO] [stdout] e43c1ac3dd85600d356b6b2304daf7f9c968ca29be2746eea07275fd77aed5b4
[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] 71fc999c4d82d5522980b3e0c1ae51c657e7471edd8f84d8001feb8b9fee1e47
[INFO] running `Command { std: "docker" "start" "-a" "71fc999c4d82d5522980b3e0c1ae51c657e7471edd8f84d8001feb8b9fee1e47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking libpolymesh v1.0.0
[INFO] [stderr]     Checking pmfextract v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.89s
[INFO] running `Command { std: "docker" "inspect" "71fc999c4d82d5522980b3e0c1ae51c657e7471edd8f84d8001feb8b9fee1e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fc999c4d82d5522980b3e0c1ae51c657e7471edd8f84d8001feb8b9fee1e47", kill_on_drop: false }`
[INFO] [stdout] 71fc999c4d82d5522980b3e0c1ae51c657e7471edd8f84d8001feb8b9fee1e47
[INFO] checking pmfextract-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate pmfextract 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate pmfextract 0.1.0 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 pmfextract 0.1.0
[INFO] finished tweaking crates.io crate pmfextract 0.1.0
[INFO] tweaked toml for crates.io crate pmfextract 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate pmfextract 0.1.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c15ea4ca2d072323e7e5e2cdec679fd4bbf2ec4685b97ac8c964993f0ece967e
[INFO] running `Command { std: "docker" "start" "-a" "c15ea4ca2d072323e7e5e2cdec679fd4bbf2ec4685b97ac8c964993f0ece967e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c15ea4ca2d072323e7e5e2cdec679fd4bbf2ec4685b97ac8c964993f0ece967e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15ea4ca2d072323e7e5e2cdec679fd4bbf2ec4685b97ac8c964993f0ece967e", kill_on_drop: false }`
[INFO] [stdout] c15ea4ca2d072323e7e5e2cdec679fd4bbf2ec4685b97ac8c964993f0ece967e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bdcf7dfa0a7e716680744392ff08aa20d2f5d9c0f131361b5219e580916390eb
[INFO] running `Command { std: "docker" "start" "-a" "bdcf7dfa0a7e716680744392ff08aa20d2f5d9c0f131361b5219e580916390eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]     Checking libpolymesh v1.0.0
[INFO] [stderr]     Checking pmfextract v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.10s
[INFO] running `Command { std: "docker" "inspect" "bdcf7dfa0a7e716680744392ff08aa20d2f5d9c0f131361b5219e580916390eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcf7dfa0a7e716680744392ff08aa20d2f5d9c0f131361b5219e580916390eb", kill_on_drop: false }`
[INFO] [stdout] bdcf7dfa0a7e716680744392ff08aa20d2f5d9c0f131361b5219e580916390eb