[INFO] cloning repository https://github.com/meta-introspector/nix-nar-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meta-introspector/nix-nar-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeta-introspector%2Fnix-nar-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeta-introspector%2Fnix-nar-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8d9250b9be837abafa0046cb9c2a852b846da6a
[INFO] checking meta-introspector/nix-nar-rs 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%2Fmeta-introspector%2Fnix-nar-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/meta-introspector/nix-nar-rs
[INFO] finished tweaking git repo https://github.com/meta-introspector/nix-nar-rs
[INFO] tweaked toml for git repo https://github.com/meta-introspector/nix-nar-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/meta-introspector/nix-nar-rs 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/meta-introspector/nix-nar-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ce620e6dc0877bd3cdcb62e3329c94babc842635725538d655562fe85d096ada
[INFO] running `Command { std: "docker" "start" "-a" "ce620e6dc0877bd3cdcb62e3329c94babc842635725538d655562fe85d096ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce620e6dc0877bd3cdcb62e3329c94babc842635725538d655562fe85d096ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce620e6dc0877bd3cdcb62e3329c94babc842635725538d655562fe85d096ada", kill_on_drop: false }`
[INFO] [stdout] ce620e6dc0877bd3cdcb62e3329c94babc842635725538d655562fe85d096ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 049c352f9d3c19f5684d97342669cb2423563727e671e4e751729d8d9601e485
[INFO] running `Command { std: "docker" "start" "-a" "049c352f9d3c19f5684d97342669cb2423563727e671e4e751729d8d9601e485", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking is_executable v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking pretty-hex v0.3.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking insta v1.31.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]     Checking tempfile v3.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling ctor v0.2.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking nix-nar v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking globset v0.4.12
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dec.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn entries(&self) -> Result<Entries<R>, NarError> {
[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] 131 |     pub fn entries(&self) -> Result<Entries<'_, R>, NarError> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]    --> src/parser.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         Utf8PathBuf::from_str(name_str.as_str())
[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 `nix-nar` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "049c352f9d3c19f5684d97342669cb2423563727e671e4e751729d8d9601e485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049c352f9d3c19f5684d97342669cb2423563727e671e4e751729d8d9601e485", kill_on_drop: false }`
[INFO] [stdout] 049c352f9d3c19f5684d97342669cb2423563727e671e4e751729d8d9601e485
