[INFO] cloning repository https://github.com/ergrelet/cpplumber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ergrelet/cpplumber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fergrelet%2Fcpplumber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fergrelet%2Fcpplumber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68526a64c9bbdc929c286844e25cf6f8e73d0d59
[INFO] checking ergrelet/cpplumber against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fergrelet%2Fcpplumber" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ergrelet/cpplumber
[INFO] finished tweaking git repo https://github.com/ergrelet/cpplumber
[INFO] tweaked toml for git repo https://github.com/ergrelet/cpplumber written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ergrelet/cpplumber on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ergrelet/cpplumber 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54cfa8ff4d780fe8799224a8ca720b75112d0b12263ff6f8c4ccf199ec652076
[INFO] running `Command { std: "docker" "start" "-a" "54cfa8ff4d780fe8799224a8ca720b75112d0b12263ff6f8c4ccf199ec652076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54cfa8ff4d780fe8799224a8ca720b75112d0b12263ff6f8c4ccf199ec652076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cfa8ff4d780fe8799224a8ca720b75112d0b12263ff6f8c4ccf199ec652076", kill_on_drop: false }`
[INFO] [stdout] 54cfa8ff4d780fe8799224a8ca720b75112d0b12263ff6f8c4ccf199ec652076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9afd34ff9e79149e18eaeb7bf4343b415e7eed86b4e58902d0ef9bb8413e8f58
[INFO] running `Command { std: "docker" "start" "-a" "9afd34ff9e79149e18eaeb7bf4343b415e7eed86b4e58902d0ef9bb8413e8f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking widestring v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking clang v2.0.0
[INFO] [stderr]     Checking env_logger v0.9.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling serial_test_derive v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking serial_test v0.9.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde_yaml v0.9.13
[INFO] [stderr]     Checking cpplumber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     /// Additional include directories.
[INFO] [stdout] 15 | |     /// Only used when project files aren't used.
[INFO] [stdout] 16 | |     #[structopt(short = "I")]
[INFO] [stdout] 17 | |     pub include_directories: Vec<String>,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// Additional preprocessor definitions.
[INFO] [stdout] 20 | |     /// Only used when project files aren't used.
[INFO] [stdout] 21 | |     #[structopt(short = "D")]
[INFO] [stdout] 22 | |     pub compile_definitions: Vec<String>,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     /// List of source files to scan for (can be glob expressions).
[INFO] [stdout] 60 | |     pub source_path_globs: Vec<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/information_leak/potential_leak.rs:257:37
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn process_escape_sequences(string: &str) -> Option<Cow<str>> {
[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] 257 | fn process_escape_sequences(string: &str) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpplumber` (bin "cpplumber") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     /// Additional include directories.
[INFO] [stdout] 15 | |     /// Only used when project files aren't used.
[INFO] [stdout] 16 | |     #[structopt(short = "I")]
[INFO] [stdout] 17 | |     pub include_directories: Vec<String>,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// Additional preprocessor definitions.
[INFO] [stdout] 20 | |     /// Only used when project files aren't used.
[INFO] [stdout] 21 | |     #[structopt(short = "D")]
[INFO] [stdout] 22 | |     pub compile_definitions: Vec<String>,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     /// List of source files to scan for (can be glob expressions).
[INFO] [stdout] 60 | |     pub source_path_globs: Vec<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/information_leak/potential_leak.rs:257:37
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn process_escape_sequences(string: &str) -> Option<Cow<str>> {
[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] 257 | fn process_escape_sequences(string: &str) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpplumber` (bin "cpplumber" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9afd34ff9e79149e18eaeb7bf4343b415e7eed86b4e58902d0ef9bb8413e8f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afd34ff9e79149e18eaeb7bf4343b415e7eed86b4e58902d0ef9bb8413e8f58", kill_on_drop: false }`
[INFO] [stdout] 9afd34ff9e79149e18eaeb7bf4343b415e7eed86b4e58902d0ef9bb8413e8f58
