[INFO] cloning repository https://github.com/alecsavvy/crabby-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alecsavvy/crabby-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecsavvy%2Fcrabby-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecsavvy%2Fcrabby-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daca90cf96c8a76db43d4413c50e121eebef5cba
[INFO] checking alecsavvy/crabby-bot against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecsavvy%2Fcrabby-bot" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alecsavvy/crabby-bot 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/alecsavvy/crabby-bot
[INFO] finished tweaking git repo https://github.com/alecsavvy/crabby-bot
[INFO] tweaked toml for git repo https://github.com/alecsavvy/crabby-bot written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alecsavvy/crabby-bot 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.24
[INFO] [stderr]   Downloaded native-tls v0.2.7
[INFO] [stderr]   Downloaded serde_json v1.0.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 361c3d2489ae7087acbce395d1a7e0752525b49fc9b692072ef81a23b85702f7
[INFO] running `Command { std: "docker" "start" "-a" "361c3d2489ae7087acbce395d1a7e0752525b49fc9b692072ef81a23b85702f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "361c3d2489ae7087acbce395d1a7e0752525b49fc9b692072ef81a23b85702f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361c3d2489ae7087acbce395d1a7e0752525b49fc9b692072ef81a23b85702f7", kill_on_drop: false }`
[INFO] [stdout] 361c3d2489ae7087acbce395d1a7e0752525b49fc9b692072ef81a23b85702f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e336b9ff937124d79fbcd8fa92a91b7c1168f3691448187b93dcdc7a5ed049dc
[INFO] running `Command { std: "docker" "start" "-a" "e336b9ff937124d79fbcd8fa92a91b7c1168f3691448187b93dcdc7a5ed049dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.65
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling dotenv_codegen_implementation v0.15.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking dotenv_codegen v0.15.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking crabby-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.00s
[INFO] running `Command { std: "docker" "inspect" "e336b9ff937124d79fbcd8fa92a91b7c1168f3691448187b93dcdc7a5ed049dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e336b9ff937124d79fbcd8fa92a91b7c1168f3691448187b93dcdc7a5ed049dc", kill_on_drop: false }`
[INFO] [stdout] e336b9ff937124d79fbcd8fa92a91b7c1168f3691448187b93dcdc7a5ed049dc
[INFO] checking alecsavvy/crabby-bot against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecsavvy%2Fcrabby-bot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alecsavvy/crabby-bot 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/alecsavvy/crabby-bot
[INFO] finished tweaking git repo https://github.com/alecsavvy/crabby-bot
[INFO] tweaked toml for git repo https://github.com/alecsavvy/crabby-bot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/alecsavvy/crabby-bot 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f26998ddda8be8eec8170bcdb25590e9d505ecb050c79b3545927d10bb83fce0
[INFO] running `Command { std: "docker" "start" "-a" "f26998ddda8be8eec8170bcdb25590e9d505ecb050c79b3545927d10bb83fce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f26998ddda8be8eec8170bcdb25590e9d505ecb050c79b3545927d10bb83fce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26998ddda8be8eec8170bcdb25590e9d505ecb050c79b3545927d10bb83fce0", kill_on_drop: false }`
[INFO] [stdout] f26998ddda8be8eec8170bcdb25590e9d505ecb050c79b3545927d10bb83fce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4ada0432e08ee58719b9a5cbd10468f62cb8853b833b4f036feda9baf6209bb7
[INFO] running `Command { std: "docker" "start" "-a" "4ada0432e08ee58719b9a5cbd10468f62cb8853b833b4f036feda9baf6209bb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.65
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling dotenv_codegen_implementation v0.15.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking dotenv_codegen v0.15.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking crabby-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.66s
[INFO] running `Command { std: "docker" "inspect" "4ada0432e08ee58719b9a5cbd10468f62cb8853b833b4f036feda9baf6209bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ada0432e08ee58719b9a5cbd10468f62cb8853b833b4f036feda9baf6209bb7", kill_on_drop: false }`
[INFO] [stdout] 4ada0432e08ee58719b9a5cbd10468f62cb8853b833b4f036feda9baf6209bb7