[INFO] cloning repository https://github.com/LgnMs/fpls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LgnMs/fpls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLgnMs%2Ffpls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLgnMs%2Ffpls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16c268db261d3891dd59964b13b34f2c225aef77
[INFO] checking LgnMs/fpls against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLgnMs%2Ffpls" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LgnMs/fpls 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/LgnMs/fpls
[INFO] finished tweaking git repo https://github.com/LgnMs/fpls
[INFO] tweaked toml for git repo https://github.com/LgnMs/fpls written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LgnMs/fpls 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] warning: /workspace/builds/worker-5-tc1/source/fpls-lib/Cargo.toml: unused manifest key: description
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] edceef3ceb6d7e0617794e3af455fae78d22800b625b4bd49dc5305169ba4d9d
[INFO] running `Command { std: "docker" "start" "-a" "edceef3ceb6d7e0617794e3af455fae78d22800b625b4bd49dc5305169ba4d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edceef3ceb6d7e0617794e3af455fae78d22800b625b4bd49dc5305169ba4d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edceef3ceb6d7e0617794e3af455fae78d22800b625b4bd49dc5305169ba4d9d", kill_on_drop: false }`
[INFO] [stdout] edceef3ceb6d7e0617794e3af455fae78d22800b625b4bd49dc5305169ba4d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4092f2d847d97eb637bd450a8563cac92f0ac06c6ad78346315c93dcc3af4160
[INFO] running `Command { std: "docker" "start" "-a" "4092f2d847d97eb637bd450a8563cac92f0ac06c6ad78346315c93dcc3af4160", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/fpls-lib/Cargo.toml: unused manifest key: description
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking fpls_lib v0.1.2 (/opt/rustwide/workdir/fpls-lib)
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking fpls_main v0.1.0 (/opt/rustwide/workdir/fpls-main)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "4092f2d847d97eb637bd450a8563cac92f0ac06c6ad78346315c93dcc3af4160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4092f2d847d97eb637bd450a8563cac92f0ac06c6ad78346315c93dcc3af4160", kill_on_drop: false }`
[INFO] [stdout] 4092f2d847d97eb637bd450a8563cac92f0ac06c6ad78346315c93dcc3af4160
[INFO] checking LgnMs/fpls against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLgnMs%2Ffpls" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LgnMs/fpls 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/LgnMs/fpls
[INFO] finished tweaking git repo https://github.com/LgnMs/fpls
[INFO] tweaked toml for git repo https://github.com/LgnMs/fpls written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LgnMs/fpls 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] [stderr] warning: /workspace/builds/worker-5-tc2/source/fpls-lib/Cargo.toml: unused manifest key: description
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5a9a959ad568041e61fa424026b7a7d31a9213077066982dc492613f20c2de11
[INFO] running `Command { std: "docker" "start" "-a" "5a9a959ad568041e61fa424026b7a7d31a9213077066982dc492613f20c2de11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a9a959ad568041e61fa424026b7a7d31a9213077066982dc492613f20c2de11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9a959ad568041e61fa424026b7a7d31a9213077066982dc492613f20c2de11", kill_on_drop: false }`
[INFO] [stdout] 5a9a959ad568041e61fa424026b7a7d31a9213077066982dc492613f20c2de11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ded18cbfa32248323088a62ee8a188fd46de67603449fe4a69f0866a22ffdc59
[INFO] running `Command { std: "docker" "start" "-a" "ded18cbfa32248323088a62ee8a188fd46de67603449fe4a69f0866a22ffdc59", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/fpls-lib/Cargo.toml: unused manifest key: description
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking fpls_lib v0.1.2 (/opt/rustwide/workdir/fpls-lib)
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking fpls_main v0.1.0 (/opt/rustwide/workdir/fpls-main)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.41s
[INFO] running `Command { std: "docker" "inspect" "ded18cbfa32248323088a62ee8a188fd46de67603449fe4a69f0866a22ffdc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded18cbfa32248323088a62ee8a188fd46de67603449fe4a69f0866a22ffdc59", kill_on_drop: false }`
[INFO] [stdout] ded18cbfa32248323088a62ee8a188fd46de67603449fe4a69f0866a22ffdc59