[INFO] cloning repository https://github.com/sharkLoc/seqio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sharkLoc/seqio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsharkLoc%2Fseqio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsharkLoc%2Fseqio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cd0a809b6455ff6bc2f32c9ead64c3e5e8e92ca
[INFO] checking sharkLoc/seqio against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsharkLoc%2Fseqio" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sharkLoc/seqio 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/sharkLoc/seqio
[INFO] finished tweaking git repo https://github.com/sharkLoc/seqio
[INFO] tweaked toml for git repo https://github.com/sharkLoc/seqio written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sharkLoc/seqio 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f60a3dddceb2c9703e9a7183f11ba182dec340a28f97342fa8304b58b5f50d8c
[INFO] running `Command { std: "docker" "start" "-a" "f60a3dddceb2c9703e9a7183f11ba182dec340a28f97342fa8304b58b5f50d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60a3dddceb2c9703e9a7183f11ba182dec340a28f97342fa8304b58b5f50d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60a3dddceb2c9703e9a7183f11ba182dec340a28f97342fa8304b58b5f50d8c", kill_on_drop: false }`
[INFO] [stdout] f60a3dddceb2c9703e9a7183f11ba182dec340a28f97342fa8304b58b5f50d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e897e69a88cbba9e33deed5051e0f15dab88b22a6f0cddb1b12b3e205cfe05d5
[INFO] running `Command { std: "docker" "start" "-a" "e897e69a88cbba9e33deed5051e0f15dab88b22a6f0cddb1b12b3e205cfe05d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking seqio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]   --> src/utils.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]    |                ----------  ^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the item `BufRead` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/utils.rs:62:67
[INFO] [stdout]    |
[INFO] [stdout] 62 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]    |                ----------                                         ^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]   --> src/utils.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]    |                ----------  ^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the item `BufRead` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/utils.rs:62:67
[INFO] [stdout]    |
[INFO] [stdout] 62 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]    |                ----------                                         ^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "e897e69a88cbba9e33deed5051e0f15dab88b22a6f0cddb1b12b3e205cfe05d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e897e69a88cbba9e33deed5051e0f15dab88b22a6f0cddb1b12b3e205cfe05d5", kill_on_drop: false }`
[INFO] [stdout] e897e69a88cbba9e33deed5051e0f15dab88b22a6f0cddb1b12b3e205cfe05d5