[INFO] cloning repository https://github.com/cheukyin699/catlines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cheukyin699/catlines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheukyin699%2Fcatlines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheukyin699%2Fcatlines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23782cd947507d34451ce6644b605bcbe6eecc96
[INFO] checking cheukyin699/catlines against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheukyin699%2Fcatlines" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cheukyin699/catlines 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 git repo https://github.com/cheukyin699/catlines
[INFO] finished tweaking git repo https://github.com/cheukyin699/catlines
[INFO] tweaked toml for git repo https://github.com/cheukyin699/catlines written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cheukyin699/catlines 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v0.8.1
[INFO] [stderr]   Downloaded serde v1.0.8
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.1
[INFO] [stderr]   Downloaded serde_derive v1.0.8
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded thread-id v3.1.0
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded libc v0.2.24
[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] 3b18206fd10c97bc4b9465d2b367c4579820d70080898c4df2793913fa7089e0
[INFO] running `Command { std: "docker" "start" "-a" "3b18206fd10c97bc4b9465d2b367c4579820d70080898c4df2793913fa7089e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b18206fd10c97bc4b9465d2b367c4579820d70080898c4df2793913fa7089e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b18206fd10c97bc4b9465d2b367c4579820d70080898c4df2793913fa7089e0", kill_on_drop: false }`
[INFO] [stdout] 3b18206fd10c97bc4b9465d2b367c4579820d70080898c4df2793913fa7089e0
[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] 981d603830c2570aad426da8f746ebe86aae732a9833fac13e73d9d7ce6e35d6
[INFO] running `Command { std: "docker" "start" "-a" "981d603830c2570aad426da8f746ebe86aae732a9833fac13e73d9d7ce6e35d6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking catlines v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "981d603830c2570aad426da8f746ebe86aae732a9833fac13e73d9d7ce6e35d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981d603830c2570aad426da8f746ebe86aae732a9833fac13e73d9d7ce6e35d6", kill_on_drop: false }`
[INFO] [stdout] 981d603830c2570aad426da8f746ebe86aae732a9833fac13e73d9d7ce6e35d6
[INFO] checking cheukyin699/catlines against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheukyin699%2Fcatlines" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cheukyin699/catlines 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 git repo https://github.com/cheukyin699/catlines
[INFO] finished tweaking git repo https://github.com/cheukyin699/catlines
[INFO] tweaked toml for git repo https://github.com/cheukyin699/catlines written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cheukyin699/catlines 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] 7fbd4babd427bde986fa0688a16c69e0fba5348b1a356884741f7621168c25fe
[INFO] running `Command { std: "docker" "start" "-a" "7fbd4babd427bde986fa0688a16c69e0fba5348b1a356884741f7621168c25fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fbd4babd427bde986fa0688a16c69e0fba5348b1a356884741f7621168c25fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbd4babd427bde986fa0688a16c69e0fba5348b1a356884741f7621168c25fe", kill_on_drop: false }`
[INFO] [stdout] 7fbd4babd427bde986fa0688a16c69e0fba5348b1a356884741f7621168c25fe
[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] ca863f290450cff5718c1cc0f82b6c3649cf8818bb081a11817702a02343a372
[INFO] running `Command { std: "docker" "start" "-a" "ca863f290450cff5718c1cc0f82b6c3649cf8818bb081a11817702a02343a372", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking catlines v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "ca863f290450cff5718c1cc0f82b6c3649cf8818bb081a11817702a02343a372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca863f290450cff5718c1cc0f82b6c3649cf8818bb081a11817702a02343a372", kill_on_drop: false }`
[INFO] [stdout] ca863f290450cff5718c1cc0f82b6c3649cf8818bb081a11817702a02343a372