[INFO] fetching crate fs_snapshot 0.1.2...
[INFO] checking fs_snapshot-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate fs_snapshot 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fs_snapshot 0.1.2 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 fs_snapshot 0.1.2
[INFO] finished tweaking crates.io crate fs_snapshot 0.1.2
[INFO] tweaked toml for crates.io crate fs_snapshot 0.1.2 written to /workspace/builds/worker-7-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 58 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding concolor v0.0.8 (latest: v0.1.1)
[INFO] [stderr]       Adding concolor-query v0.0.5 (latest: v0.3.3)
[INFO] [stderr]       Adding crossbeam-channel v0.4.4 (latest: v0.5.12)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.19)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding libtest-mimic v0.3.0 (latest: v0.7.0)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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 concolor v0.0.8
[INFO] [stderr]   Downloaded concolor-query v0.0.5
[INFO] [stderr]   Downloaded libtest-mimic v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0df590defcaec3b0b80a50e1565c717e87335410e6baee6519c9b2c0e408ea80
[INFO] running `Command { std: "docker" "start" "-a" "0df590defcaec3b0b80a50e1565c717e87335410e6baee6519c9b2c0e408ea80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0df590defcaec3b0b80a50e1565c717e87335410e6baee6519c9b2c0e408ea80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df590defcaec3b0b80a50e1565c717e87335410e6baee6519c9b2c0e408ea80", kill_on_drop: false }`
[INFO] [stdout] 0df590defcaec3b0b80a50e1565c717e87335410e6baee6519c9b2c0e408ea80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 34c47d59e13ed668dd385b9dbe4c65d44b5c65ca0c5e01edd83f7d8d155b3683
[INFO] running `Command { std: "docker" "start" "-a" "34c47d59e13ed668dd385b9dbe4c65d44b5c65ca0c5e01edd83f7d8d155b3683", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking concolor-query v0.0.5
[INFO] [stderr]     Checking concolor v0.0.8
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking libtest-mimic v0.3.0
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking fs_snapshot v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "34c47d59e13ed668dd385b9dbe4c65d44b5c65ca0c5e01edd83f7d8d155b3683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c47d59e13ed668dd385b9dbe4c65d44b5c65ca0c5e01edd83f7d8d155b3683", kill_on_drop: false }`
[INFO] [stdout] 34c47d59e13ed668dd385b9dbe4c65d44b5c65ca0c5e01edd83f7d8d155b3683
[INFO] checking fs_snapshot-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate fs_snapshot 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate fs_snapshot 0.1.2 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 fs_snapshot 0.1.2
[INFO] finished tweaking crates.io crate fs_snapshot 0.1.2
[INFO] tweaked toml for crates.io crate fs_snapshot 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 85f4cf0b78bed5642b7c1d1ea226129df3e545407b0a58673bb67353a6b53896
[INFO] running `Command { std: "docker" "start" "-a" "85f4cf0b78bed5642b7c1d1ea226129df3e545407b0a58673bb67353a6b53896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f4cf0b78bed5642b7c1d1ea226129df3e545407b0a58673bb67353a6b53896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f4cf0b78bed5642b7c1d1ea226129df3e545407b0a58673bb67353a6b53896", kill_on_drop: false }`
[INFO] [stdout] 85f4cf0b78bed5642b7c1d1ea226129df3e545407b0a58673bb67353a6b53896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9840674d4f5371619cc505a44e89d03e68c19af9b76c5acae1822bb43d851c77
[INFO] running `Command { std: "docker" "start" "-a" "9840674d4f5371619cc505a44e89d03e68c19af9b76c5acae1822bb43d851c77", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking concolor-query v0.0.5
[INFO] [stderr]     Checking concolor v0.0.8
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking libtest-mimic v0.3.0
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking fs_snapshot v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "9840674d4f5371619cc505a44e89d03e68c19af9b76c5acae1822bb43d851c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9840674d4f5371619cc505a44e89d03e68c19af9b76c5acae1822bb43d851c77", kill_on_drop: false }`
[INFO] [stdout] 9840674d4f5371619cc505a44e89d03e68c19af9b76c5acae1822bb43d851c77