[INFO] fetching crate requirements 0.3.0...
[INFO] checking requirements-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate requirements 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate requirements 0.3.0 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 requirements 0.3.0
[INFO] finished tweaking crates.io crate requirements 0.3.0
[INFO] tweaked toml for crates.io crate requirements 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate requirements 0.3.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded winapi-util v0.1.4
[INFO] [stderr]   Downloaded ignore v0.4.14
[INFO] [stderr]   Downloaded globwalk v0.7.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded bstr v0.2.12
[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] 9d3cb580014129b22849b1a2dd8041abadb32cfe7314140dbef3fd7833a3543f
[INFO] running `Command { std: "docker" "start" "-a" "9d3cb580014129b22849b1a2dd8041abadb32cfe7314140dbef3fd7833a3543f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d3cb580014129b22849b1a2dd8041abadb32cfe7314140dbef3fd7833a3543f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d3cb580014129b22849b1a2dd8041abadb32cfe7314140dbef3fd7833a3543f", kill_on_drop: false }`
[INFO] [stdout] 9d3cb580014129b22849b1a2dd8041abadb32cfe7314140dbef3fd7833a3543f
[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] 136e3d23b1467dd9688b74225a697a302eb623565445300f6b944343176df9a6
[INFO] running `Command { std: "docker" "start" "-a" "136e3d23b1467dd9688b74225a697a302eb623565445300f6b944343176df9a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking requirements v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `requirements` is imported redundantly
[INFO] [stdout]  --> tests/test_requirements_txt.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use requirements::{self, Requirement, enums::Comparison};
[INFO] [stdout]   |                    ^^^^ the item `requirements` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `requirements` is imported redundantly
[INFO] [stdout]  --> src/bin/parsereqs.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use requirements::{self, Requirement};
[INFO] [stdout]   |                    ^^^^ the item `requirements` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `requirements` is imported redundantly
[INFO] [stdout]  --> src/bin/parsereqs.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use requirements::{self, Requirement};
[INFO] [stdout]   |                    ^^^^ the item `requirements` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "136e3d23b1467dd9688b74225a697a302eb623565445300f6b944343176df9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136e3d23b1467dd9688b74225a697a302eb623565445300f6b944343176df9a6", kill_on_drop: false }`
[INFO] [stdout] 136e3d23b1467dd9688b74225a697a302eb623565445300f6b944343176df9a6