[INFO] cloning repository https://github.com/GuilhermeDaSilvaVieira/todo_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GuilhermeDaSilvaVieira/todo_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilhermeDaSilvaVieira%2Ftodo_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilhermeDaSilvaVieira%2Ftodo_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 714c51512d8f610be0247c6e7f649d4c4e319db4
[INFO] checking GuilhermeDaSilvaVieira/todo_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilhermeDaSilvaVieira%2Ftodo_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GuilhermeDaSilvaVieira/todo_rust 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/GuilhermeDaSilvaVieira/todo_rust
[INFO] finished tweaking git repo https://github.com/GuilhermeDaSilvaVieira/todo_rust
[INFO] tweaked toml for git repo https://github.com/GuilhermeDaSilvaVieira/todo_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GuilhermeDaSilvaVieira/todo_rust 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.15.0
[INFO] [stderr]   Downloaded terminal v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 798b6e01f1eb7e720dd74bea7639a1c1ac296c075a46a41b82c1db312a31a7d8
[INFO] running `Command { std: "docker" "start" "-a" "798b6e01f1eb7e720dd74bea7639a1c1ac296c075a46a41b82c1db312a31a7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "798b6e01f1eb7e720dd74bea7639a1c1ac296c075a46a41b82c1db312a31a7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798b6e01f1eb7e720dd74bea7639a1c1ac296c075a46a41b82c1db312a31a7d8", kill_on_drop: false }`
[INFO] [stdout] 798b6e01f1eb7e720dd74bea7639a1c1ac296c075a46a41b82c1db312a31a7d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0a4a0e0c4434036e3cebf050ff9e18d3ad4c3fc82f923580520ff1b1cd748e39
[INFO] running `Command { std: "docker" "start" "-a" "0a4a0e0c4434036e3cebf050ff9e18d3ad4c3fc82f923580520ff1b1cd748e39", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.8.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.15.0
[INFO] [stderr]     Checking terminal v0.2.1
[INFO] [stderr]     Checking todo_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "0a4a0e0c4434036e3cebf050ff9e18d3ad4c3fc82f923580520ff1b1cd748e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4a0e0c4434036e3cebf050ff9e18d3ad4c3fc82f923580520ff1b1cd748e39", kill_on_drop: false }`
[INFO] [stdout] 0a4a0e0c4434036e3cebf050ff9e18d3ad4c3fc82f923580520ff1b1cd748e39
[INFO] checking GuilhermeDaSilvaVieira/todo_rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilhermeDaSilvaVieira%2Ftodo_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GuilhermeDaSilvaVieira/todo_rust 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/GuilhermeDaSilvaVieira/todo_rust
[INFO] finished tweaking git repo https://github.com/GuilhermeDaSilvaVieira/todo_rust
[INFO] tweaked toml for git repo https://github.com/GuilhermeDaSilvaVieira/todo_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GuilhermeDaSilvaVieira/todo_rust 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 42af809f66e1721ce75b6a1085ea72ef443130de3ce1d364644918a897a49741
[INFO] running `Command { std: "docker" "start" "-a" "42af809f66e1721ce75b6a1085ea72ef443130de3ce1d364644918a897a49741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42af809f66e1721ce75b6a1085ea72ef443130de3ce1d364644918a897a49741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42af809f66e1721ce75b6a1085ea72ef443130de3ce1d364644918a897a49741", kill_on_drop: false }`
[INFO] [stdout] 42af809f66e1721ce75b6a1085ea72ef443130de3ce1d364644918a897a49741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 853f0b168fdc2ca8c24b7c35e49920413af0ee1971269e4f6279990a57179da4
[INFO] running `Command { std: "docker" "start" "-a" "853f0b168fdc2ca8c24b7c35e49920413af0ee1971269e4f6279990a57179da4", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.8.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.15.0
[INFO] [stderr]     Checking terminal v0.2.1
[INFO] [stderr]     Checking todo_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "853f0b168fdc2ca8c24b7c35e49920413af0ee1971269e4f6279990a57179da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "853f0b168fdc2ca8c24b7c35e49920413af0ee1971269e4f6279990a57179da4", kill_on_drop: false }`
[INFO] [stdout] 853f0b168fdc2ca8c24b7c35e49920413af0ee1971269e4f6279990a57179da4