[INFO] cloning repository https://github.com/Human-Hummus/Flaarc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Human-Hummus/Flaarc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuman-Hummus%2FFlaarc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuman-Hummus%2FFlaarc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a3b78d2feeabca0e300fac8c19ccf9dfb230ae5
[INFO] checking Human-Hummus/Flaarc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuman-Hummus%2FFlaarc" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Human-Hummus/Flaarc on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Human-Hummus/Flaarc
[INFO] finished tweaking git repo https://github.com/Human-Hummus/Flaarc
[INFO] tweaked toml for git repo https://github.com/Human-Hummus/Flaarc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Human-Hummus/Flaarc 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v2.5.0
[INFO] [stderr]       Adding libredox v0.0.2 (latest: v0.1.3)
[INFO] [stderr]       Adding numtoa v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding redox_termios v0.1.3
[INFO] [stderr]       Adding termion v3.0.0
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_termios v0.1.3
[INFO] [stderr]   Downloaded termion v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e3ba8bfc6fb48332b7fe6d4c75e12379b22078e1c9dcc9975361a654d7bc43c
[INFO] running `Command { std: "docker" "start" "-a" "2e3ba8bfc6fb48332b7fe6d4c75e12379b22078e1c9dcc9975361a654d7bc43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e3ba8bfc6fb48332b7fe6d4c75e12379b22078e1c9dcc9975361a654d7bc43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3ba8bfc6fb48332b7fe6d4c75e12379b22078e1c9dcc9975361a654d7bc43c", kill_on_drop: false }`
[INFO] [stdout] 2e3ba8bfc6fb48332b7fe6d4c75e12379b22078e1c9dcc9975361a654d7bc43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edd2f711d3e077231388dbff4cf0d285637300d5cdd591ced9d143dc64925a6d
[INFO] running `Command { std: "docker" "start" "-a" "edd2f711d3e077231388dbff4cf0d285637300d5cdd591ced9d143dc64925a6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking termion v3.0.0
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking flaarc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Document` is imported redundantly
[INFO] [stdout]  --> src/format.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Document;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::*;
[INFO] [stdout]   |     -------- the item `Document` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Document` is imported redundantly
[INFO] [stdout]  --> src/format.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Document;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::*;
[INFO] [stdout]   |     -------- the item `Document` is already imported 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 1.56s
[INFO] running `Command { std: "docker" "inspect" "edd2f711d3e077231388dbff4cf0d285637300d5cdd591ced9d143dc64925a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd2f711d3e077231388dbff4cf0d285637300d5cdd591ced9d143dc64925a6d", kill_on_drop: false }`
[INFO] [stdout] edd2f711d3e077231388dbff4cf0d285637300d5cdd591ced9d143dc64925a6d