[INFO] cloning repository https://github.com/mjc/media-dedupe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjc/media-dedupe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjc%2Fmedia-dedupe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjc%2Fmedia-dedupe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29213578f05379b87bbe62ea55f8cfce697a6d65
[INFO] checking mjc/media-dedupe 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%2Fmjc%2Fmedia-dedupe" "/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/mjc/media-dedupe
[INFO] finished tweaking git repo https://github.com/mjc/media-dedupe
[INFO] tweaked toml for git repo https://github.com/mjc/media-dedupe written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mjc/media-dedupe 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/mjc/media-dedupe 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] 730a84844820633b331be4fdd58f6850eb8448a8c1ff1636c97e9134df1bb84c
[INFO] running `Command { std: "docker" "start" "-a" "730a84844820633b331be4fdd58f6850eb8448a8c1ff1636c97e9134df1bb84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "730a84844820633b331be4fdd58f6850eb8448a8c1ff1636c97e9134df1bb84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730a84844820633b331be4fdd58f6850eb8448a8c1ff1636c97e9134df1bb84c", kill_on_drop: false }`
[INFO] [stdout] 730a84844820633b331be4fdd58f6850eb8448a8c1ff1636c97e9134df1bb84c
[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] ea990ad8d9a76051a5e848f4ddd1cf3f3106b8c50fa97b12b190d26a665ada40
[INFO] running `Command { std: "docker" "start" "-a" "ea990ad8d9a76051a5e848f4ddd1cf3f3106b8c50fa97b12b190d26a665ada40", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking concolor-query v0.0.5
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking os_pipe v1.0.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking dunce v1.0.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking snapbox-macros v0.2.1
[INFO] [stderr]    Compiling camino v1.0.9
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]     Checking concolor v0.0.8
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking combine v4.6.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking snapbox v0.2.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking toml_edit v0.14.4
[INFO] [stderr]     Checking trycmd v0.13.4
[INFO] [stderr]     Checking media-dedupe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]  --> src/locate.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn hi() {
[INFO] [stdout]   |        ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_files` is never used
[INFO] [stdout]  --> src/locate.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn get_all_files(path: &Utf8Path) -> Vec<DirEntry> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]  --> src/cli.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     path: Option<Utf8PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `media-dedupe` (bin "media-dedupe") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]  --> src/locate.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn hi() {
[INFO] [stdout]   |        ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]  --> src/cli.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     path: Option<Utf8PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `media-dedupe` (bin "media-dedupe" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ea990ad8d9a76051a5e848f4ddd1cf3f3106b8c50fa97b12b190d26a665ada40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea990ad8d9a76051a5e848f4ddd1cf3f3106b8c50fa97b12b190d26a665ada40", kill_on_drop: false }`
[INFO] [stdout] ea990ad8d9a76051a5e848f4ddd1cf3f3106b8c50fa97b12b190d26a665ada40