[INFO] fetching crate runcc 2.0.3...
[INFO] checking runcc-2.0.3 against 1.95.0 for pr-155915
[INFO] extracting crate runcc 2.0.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate runcc 2.0.3
[INFO] finished tweaking crates.io crate runcc 2.0.3
[INFO] tweaked toml for crates.io crate runcc 2.0.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate runcc 2.0.3 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate runcc 2.0.3 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor-query v0.0.5
[INFO] [stderr]   Downloaded os_pipe v1.1.2
[INFO] [stderr]   Downloaded trycmd v0.9.1
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded rayon-core v1.10.1
[INFO] [stderr]   Downloaded kstring v1.0.6
[INFO] [stderr]   Downloaded concolor v0.0.8
[INFO] [stderr]   Downloaded toml_edit v0.12.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb300500eea26bba142a53addb525d4fa005e47d58bcd24cc17de880bcdbe15c
[INFO] running `Command { std: "docker" "start" "-a" "bb300500eea26bba142a53addb525d4fa005e47d58bcd24cc17de880bcdbe15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb300500eea26bba142a53addb525d4fa005e47d58bcd24cc17de880bcdbe15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb300500eea26bba142a53addb525d4fa005e47d58bcd24cc17de880bcdbe15c", kill_on_drop: false }`
[INFO] [stdout] bb300500eea26bba142a53addb525d4fa005e47d58bcd24cc17de880bcdbe15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8765dd2e1d53f71b1825c7e74b709fd8ffc561847d7b0769f5404084a1a6f2b
[INFO] running `Command { std: "docker" "start" "-a" "c8765dd2e1d53f71b1825c7e74b709fd8ffc561847d7b0769f5404084a1a6f2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking concolor-query v0.0.5
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking os_pipe v1.1.2
[INFO] [stderr]     Checking concolor v0.0.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking kstring v1.0.6
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking toml_edit v0.12.6
[INFO] [stderr]     Checking runcc v2.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `data` and `killer` are never read
[INFO] [stdout]   --> src/run/command/spawned.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct SharedCommandSpawned<T, R> {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout]  9 |     data: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     killer: kill::CommandKiller<R>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SharedCommandSpawned` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/env.rs:79:38
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) fn match_one_env(program: &str) -> (Option<(&str, Cow<str>)>, &str) {
[INFO] [stdout]    |                                      ^^^^              ^^^^  ^^^^^^^^    ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                      |                 |     |
[INFO] [stdout]    |                                      |                 |     the same lifetime is hidden here
[INFO] [stdout]    |                                      |                 the same lifetime is elided here
[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] 79 | pub(crate) fn match_one_env(program: &str) -> (Option<(&str, Cow<'_, str>)>, &str) {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/env.rs:339:45
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn match_program_with_envs(mut program: &str) -> (&str, Option<Vec<(&str, Cow<str>)>>) {
[INFO] [stdout]     |                                             ^^^^      ^^^^              ^^^^  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                             |         |                 |
[INFO] [stdout]     |                                             |         |                 the same lifetime is elided here
[INFO] [stdout]     |                                             |         the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn match_program_with_envs(mut program: &str) -> (&str, Option<Vec<(&str, Cow<'_, str>)>>) {
[INFO] [stdout]     |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/run/system.rs:88:29
[INFO] [stdout]    |
[INFO] [stdout] 88 | ...                   &plugin.on_command_exited(cmd.clone());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |                             let _ = &plugin.on_command_exited(cmd.clone());
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/run/system.rs:123:37
[INFO] [stdout]     |
[INFO] [stdout] 123 | ...                   &plugin.on_command_exited(cmd);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |                                     let _ = &plugin.on_command_exited(cmd);
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/run/system.rs:126:37
[INFO] [stdout]     |
[INFO] [stdout] 126 | ...                   &plugin.on_command_exited(cmd.clone());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |                                     let _ = &plugin.on_command_exited(cmd.clone());
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking trycmd v0.9.1
[INFO] [stdout] warning: fields `data` and `killer` are never read
[INFO] [stdout]   --> src/run/command/spawned.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct SharedCommandSpawned<T, R> {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout]  9 |     data: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     killer: kill::CommandKiller<R>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SharedCommandSpawned` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/env.rs:79:38
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) fn match_one_env(program: &str) -> (Option<(&str, Cow<str>)>, &str) {
[INFO] [stdout]    |                                      ^^^^              ^^^^  ^^^^^^^^    ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                      |                 |     |
[INFO] [stdout]    |                                      |                 |     the same lifetime is hidden here
[INFO] [stdout]    |                                      |                 the same lifetime is elided here
[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] 79 | pub(crate) fn match_one_env(program: &str) -> (Option<(&str, Cow<'_, str>)>, &str) {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/env.rs:339:45
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn match_program_with_envs(mut program: &str) -> (&str, Option<Vec<(&str, Cow<str>)>>) {
[INFO] [stdout]     |                                             ^^^^      ^^^^              ^^^^  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                             |         |                 |
[INFO] [stdout]     |                                             |         |                 the same lifetime is elided here
[INFO] [stdout]     |                                             |         the same lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn match_program_with_envs(mut program: &str) -> (&str, Option<Vec<(&str, Cow<'_, str>)>>) {
[INFO] [stdout]     |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/run/system.rs:88:29
[INFO] [stdout]    |
[INFO] [stdout] 88 | ...                   &plugin.on_command_exited(cmd.clone());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |                             let _ = &plugin.on_command_exited(cmd.clone());
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/run/system.rs:123:37
[INFO] [stdout]     |
[INFO] [stdout] 123 | ...                   &plugin.on_command_exited(cmd);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |                                     let _ = &plugin.on_command_exited(cmd);
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/run/system.rs:126:37
[INFO] [stdout]     |
[INFO] [stdout] 126 | ...                   &plugin.on_command_exited(cmd.clone());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |                                     let _ = &plugin.on_command_exited(cmd.clone());
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.26s
[INFO] running `Command { std: "docker" "inspect" "c8765dd2e1d53f71b1825c7e74b709fd8ffc561847d7b0769f5404084a1a6f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8765dd2e1d53f71b1825c7e74b709fd8ffc561847d7b0769f5404084a1a6f2b", kill_on_drop: false }`
[INFO] [stdout] c8765dd2e1d53f71b1825c7e74b709fd8ffc561847d7b0769f5404084a1a6f2b
