[INFO] fetching crate goto-rs 0.3.0...
[INFO] checking goto-rs-0.3.0 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate goto-rs 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate goto-rs 0.3.0
[INFO] finished tweaking crates.io crate goto-rs 0.3.0
[INFO] tweaked toml for crates.io crate goto-rs 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate goto-rs 0.3.0 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate goto-rs 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded anyhow v1.0.28
[INFO] [stderr]   Downloaded bstr v0.2.12
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a
[INFO] running `Command { std: "docker" "start" "0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking goto-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]   --> src/switch.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |         while let opt_char = alias_ptr.nth(0) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]    = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]   --> src/switch.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |         while let opt_char = alias_ptr.nth(0) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]    = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a", kill_on_drop: false }`
[INFO] [stdout] 0db90e6c5e464e287a8ebee00343fdde044c2ffc821b307081d8fb68b04ceb1a
