[INFO] fetching crate pixelflut 0.2.0...
[INFO] checking pixelflut-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pixelflut 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pixelflut 0.2.0 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 pixelflut 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pixelflut 0.2.0
[INFO] tweaked toml for crates.io crate pixelflut 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate pixelflut 0.2.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.7.2
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6e8209c77a76347ff92c298ff45e426a7b1e02626a552bb4475aff166efc6d82
[INFO] running `Command { std: "docker" "start" "-a" "6e8209c77a76347ff92c298ff45e426a7b1e02626a552bb4475aff166efc6d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e8209c77a76347ff92c298ff45e426a7b1e02626a552bb4475aff166efc6d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8209c77a76347ff92c298ff45e426a7b1e02626a552bb4475aff166efc6d82", kill_on_drop: false }`
[INFO] [stdout] 6e8209c77a76347ff92c298ff45e426a7b1e02626a552bb4475aff166efc6d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9641b38d23d4cc3bd7b49e329cc903f65755760cab14fbd952bd8fc74a891a20
[INFO] running `Command { std: "docker" "start" "-a" "9641b38d23d4cc3bd7b49e329cc903f65755760cab14fbd952bd8fc74a891a20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling quote v1.0.9
[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 parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking pixelflut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "9641b38d23d4cc3bd7b49e329cc903f65755760cab14fbd952bd8fc74a891a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9641b38d23d4cc3bd7b49e329cc903f65755760cab14fbd952bd8fc74a891a20", kill_on_drop: false }`
[INFO] [stdout] 9641b38d23d4cc3bd7b49e329cc903f65755760cab14fbd952bd8fc74a891a20