[INFO] fetching crate grep-searcher 0.1.13...
[INFO] checking grep-searcher-0.1.13 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate grep-searcher 0.1.13 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate grep-searcher 0.1.13 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep-searcher 0.1.13
[INFO] finished tweaking crates.io crate grep-searcher 0.1.13
[INFO] tweaked toml for crates.io crate grep-searcher 0.1.13 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate grep-searcher 0.1.13 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packed_simd v0.3.9
[INFO] [stderr]   Downloaded grep-matcher v0.1.7
[INFO] [stderr]   Downloaded grep-regex v0.1.12
[INFO] [stderr]   Downloaded bstr v1.8.0
[INFO] [stderr]   Downloaded memmap2 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b847f79c4d583b7476dc4d5d90f3932b311fd35b22b571eb4911e736c39965cd
[INFO] running `Command { std: "docker" "start" "-a" "b847f79c4d583b7476dc4d5d90f3932b311fd35b22b571eb4911e736c39965cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b847f79c4d583b7476dc4d5d90f3932b311fd35b22b571eb4911e736c39965cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b847f79c4d583b7476dc4d5d90f3932b311fd35b22b571eb4911e736c39965cd", kill_on_drop: false }`
[INFO] [stdout] b847f79c4d583b7476dc4d5d90f3932b311fd35b22b571eb4911e736c39965cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cdae8d401dffe71f5cbbb04106e8db76318b3b1b349adf8990febdc305749ac
[INFO] running `Command { std: "docker" "start" "-a" "9cdae8d401dffe71f5cbbb04106e8db76318b3b1b349adf8990febdc305749ac", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking grep-matcher v0.1.7
[INFO] [stderr]     Checking memmap2 v0.9.0
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking grep-regex v0.1.12
[INFO] [stderr]     Checking grep-searcher v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `encoding_rs` is imported redundantly
[INFO] [stdout]   --> src/searcher/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     encoding_rs,
[INFO] [stdout]    |     ^^^^^^^^^^^ the item `encoding_rs` is already defined by prelude
[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: the item `ByteSlice` is imported redundantly
[INFO] [stdout]    --> src/line_buffer.rs:551:16
[INFO] [stdout]     |
[INFO] [stdout] 551 |     use bstr::{ByteSlice, ByteVec};
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 552 |
[INFO] [stdout] 553 |     use super::*;
[INFO] [stdout]     |         -------- the item `ByteSlice` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Match` is imported redundantly
[INFO] [stdout]    --> src/lines.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     use grep_matcher::Match;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 202 |
[INFO] [stdout] 203 |     use super::*;
[INFO] [stdout]     |         -------- the item `Match` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `encoding_rs` is imported redundantly
[INFO] [stdout]   --> src/searcher/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     encoding_rs,
[INFO] [stdout]    |     ^^^^^^^^^^^ the item `encoding_rs` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Match` is imported redundantly
[INFO] [stdout]    --> src/testutil.rs:728:24
[INFO] [stdout]     |
[INFO] [stdout] 728 |     use grep_matcher::{Match, Matcher};
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 729 |
[INFO] [stdout] 730 |     use super::*;
[INFO] [stdout]     |         -------- the item `Match` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Matcher` is imported redundantly
[INFO] [stdout]    --> src/testutil.rs:728:31
[INFO] [stdout]     |
[INFO] [stdout] 728 |     use grep_matcher::{Match, Matcher};
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 729 |
[INFO] [stdout] 730 |     use super::*;
[INFO] [stdout]     |         -------- the item `Matcher` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "9cdae8d401dffe71f5cbbb04106e8db76318b3b1b349adf8990febdc305749ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cdae8d401dffe71f5cbbb04106e8db76318b3b1b349adf8990febdc305749ac", kill_on_drop: false }`
[INFO] [stdout] 9cdae8d401dffe71f5cbbb04106e8db76318b3b1b349adf8990febdc305749ac