[INFO] fetching crate ansi-escape-codes 0.1.0...
[INFO] checking ansi-escape-codes-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ansi-escape-codes 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ansi-escape-codes 0.1.0
[INFO] finished tweaking crates.io crate ansi-escape-codes 0.1.0
[INFO] tweaked toml for crates.io crate ansi-escape-codes 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ansi-escape-codes 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ansi-escape-codes 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af2be22049d85425fcf9b718163bfc5ec73dd9ab5d7f40e51990b82a214f5c03
[INFO] running `Command { std: "docker" "start" "-a" "af2be22049d85425fcf9b718163bfc5ec73dd9ab5d7f40e51990b82a214f5c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af2be22049d85425fcf9b718163bfc5ec73dd9ab5d7f40e51990b82a214f5c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2be22049d85425fcf9b718163bfc5ec73dd9ab5d7f40e51990b82a214f5c03", kill_on_drop: false }`
[INFO] [stdout] af2be22049d85425fcf9b718163bfc5ec73dd9ab5d7f40e51990b82a214f5c03
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35970c2c93ab1586c6a064e90a0055f70b272b3156d68590986499ddae5ad89d
[INFO] running `Command { std: "docker" "start" "-a" "35970c2c93ab1586c6a064e90a0055f70b272b3156d68590986499ddae5ad89d", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi-escape-codes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:703:13
[INFO] [stdout]     |
[INFO] [stdout] 703 |             _ => String::from("ERROR"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:703:13
[INFO] [stdout]     |
[INFO] [stdout] 697 |             ControlSequencePart::ControlSequenceInducer => {
[INFO] [stdout]     |             ------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 700 |             ControlSequencePart::ControlSequenceInducerParameter(param) => {
[INFO] [stdout]     |             ----------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 703 |             _ => String::from("ERROR"),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:703:13
[INFO] [stdout]     |
[INFO] [stdout] 703 |             _ => String::from("ERROR"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:703:13
[INFO] [stdout]     |
[INFO] [stdout] 697 |             ControlSequencePart::ControlSequenceInducer => {
[INFO] [stdout]     |             ------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 700 |             ControlSequencePart::ControlSequenceInducerParameter(param) => {
[INFO] [stdout]     |             ----------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 703 |             _ => String::from("ERROR"),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlSequenceInducerParameter` and `ControlSequencePart`
[INFO] [stdout]  --> examples/example.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ansi_escape_codes::{ASCIIControlCode, ControlSequencePart, ControlSequenceInducerParameter, SelectGraphicRenditionParameter, Foregrou...
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "35970c2c93ab1586c6a064e90a0055f70b272b3156d68590986499ddae5ad89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35970c2c93ab1586c6a064e90a0055f70b272b3156d68590986499ddae5ad89d", kill_on_drop: false }`
[INFO] [stdout] 35970c2c93ab1586c6a064e90a0055f70b272b3156d68590986499ddae5ad89d