[INFO] fetching crate rubo 0.1.6...
[INFO] checking rubo-0.1.6 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate rubo 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rubo 0.1.6
[INFO] finished tweaking crates.io crate rubo 0.1.6
[INFO] tweaked toml for crates.io crate rubo 0.1.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rubo 0.1.6 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rubo 0.1.6 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytesize v1.1.0
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a13f1f2737910e86aec953921a60da55d7942300c93c4bbea7f031fa4f715d
[INFO] running `Command { std: "docker" "start" "-a" "25a13f1f2737910e86aec953921a60da55d7942300c93c4bbea7f031fa4f715d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a13f1f2737910e86aec953921a60da55d7942300c93c4bbea7f031fa4f715d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a13f1f2737910e86aec953921a60da55d7942300c93c4bbea7f031fa4f715d", kill_on_drop: false }`
[INFO] [stdout] 25a13f1f2737910e86aec953921a60da55d7942300c93c4bbea7f031fa4f715d
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 080fb7c2799e964023b0100f2e0dbe93aea23f7aaf011005a1db4afa8e6ec8c0
[INFO] running `Command { std: "docker" "start" "-a" "080fb7c2799e964023b0100f2e0dbe93aea23f7aaf011005a1db4afa8e6ec8c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.1.12
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking rubo v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/pod/lockfile.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 let mut item = result.get_mut(&pod_name).unwrap();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]  --> src/cmd/cd.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(super) struct Command;
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `NAME` is never used
[INFO] [stdout]  --> src/cmd/cd.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Command {
[INFO] [stdout]   | ------------ associated constant in this implementation
[INFO] [stdout] 6 |     const NAME: &'static str = "cd";
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]  --> src/cmd/sed.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(super) struct Command;
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NAME` is never used
[INFO] [stdout]  --> src/cmd/sed.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const NAME: &'static str = "sed";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]   --> src/cmd/count.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) struct Command;
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `NAME` is never used
[INFO] [stdout]   --> src/cmd/count.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Command {
[INFO] [stdout]    | ------------ associated constant in this implementation
[INFO] [stdout] 15 |     const NAME: &'static str = "count";
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib/tree/mod.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn to_ansi_string(s: &str, fg: char, bg: char) -> ANSIString {
[INFO] [stdout]    |                      ^^^^                         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn to_ansi_string(s: &str, fg: char, bg: char) -> ANSIString<'_> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/pod/lockfile.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 let mut item = result.get_mut(&pod_name).unwrap();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]  --> src/cmd/cd.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(super) struct Command;
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `NAME` is never used
[INFO] [stdout]  --> src/cmd/cd.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Command {
[INFO] [stdout]   | ------------ associated constant in this implementation
[INFO] [stdout] 6 |     const NAME: &'static str = "cd";
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]  --> src/cmd/sed.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(super) struct Command;
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NAME` is never used
[INFO] [stdout]  --> src/cmd/sed.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const NAME: &'static str = "sed";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]   --> src/cmd/count.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) struct Command;
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `NAME` is never used
[INFO] [stdout]   --> src/cmd/count.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Command {
[INFO] [stdout]    | ------------ associated constant in this implementation
[INFO] [stdout] 15 |     const NAME: &'static str = "count";
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib/tree/mod.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn to_ansi_string(s: &str, fg: char, bg: char) -> ANSIString {
[INFO] [stdout]    |                      ^^^^                         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn to_ansi_string(s: &str, fg: char, bg: char) -> ANSIString<'_> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "080fb7c2799e964023b0100f2e0dbe93aea23f7aaf011005a1db4afa8e6ec8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080fb7c2799e964023b0100f2e0dbe93aea23f7aaf011005a1db4afa8e6ec8c0", kill_on_drop: false }`
[INFO] [stdout] 080fb7c2799e964023b0100f2e0dbe93aea23f7aaf011005a1db4afa8e6ec8c0
