[INFO] cloning repository https://github.com/terassyi/rscni
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terassyi/rscni" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterassyi%2Frscni", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterassyi%2Frscni'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a6c8d7465cd28add93ebb8f75b561d498d848b7
[INFO] checking terassyi/rscni 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%2Fterassyi%2Frscni" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/terassyi/rscni
[INFO] finished tweaking git repo https://github.com/terassyi/rscni
[INFO] tweaked toml for git repo https://github.com/terassyi/rscni written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/terassyi/rscni 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/terassyi/rscni 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 453e3a9204332151cc75af8f35e31cd1a816185cf33bc4f4150f5df5e64dcef6
[INFO] running `Command { std: "docker" "start" "-a" "453e3a9204332151cc75af8f35e31cd1a816185cf33bc4f4150f5df5e64dcef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "453e3a9204332151cc75af8f35e31cd1a816185cf33bc4f4150f5df5e64dcef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453e3a9204332151cc75af8f35e31cd1a816185cf33bc4f4150f5df5e64dcef6", kill_on_drop: false }`
[INFO] [stdout] 453e3a9204332151cc75af8f35e31cd1a816185cf33bc4f4150f5df5e64dcef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3f7f49ffcfd429eb158a0a77f30a25fdce60cd53e26fcca34ff9fb102603e71b
[INFO] running `Command { std: "docker" "start" "-a" "3f7f49ffcfd429eb158a0a77f30a25fdce60cd53e26fcca34ff9fb102603e71b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking rscni v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stdout] warning: field `stderr` is never read
[INFO] [stdout]  --> src/util.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) struct IoTarget {
[INFO] [stdout]   |                   -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub(super) stderr: Box<dyn Write>,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/async_skel.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let netns = PathBuf::from_str(&get_env(CNI_NETNS)?)
[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<PathBuf, Infallible>
[INFO] [stdout]    --> src/async_skel.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |                         PathBuf::from_str(netns)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/async_skel.rs:162:29
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 let netns = PathBuf::from_str(&get_env(CNI_NETNS)?)
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/skel.rs:144:29
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 let netns = PathBuf::from_str(&get_env(CNI_NETNS)?)
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/skel.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         PathBuf::from_str(netns)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/skel.rs:215:29
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 let netns = PathBuf::from_str(&get_env(CNI_NETNS)?)
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rscni` (lib) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `stderr` is never read
[INFO] [stdout]  --> src/util.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) struct IoTarget {
[INFO] [stdout]   |                   -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub(super) stderr: Box<dyn Write>,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/async_skel.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let netns = PathBuf::from_str(&get_env(CNI_NETNS)?)
[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<PathBuf, Infallible>
[INFO] [stdout]    --> src/async_skel.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |                         PathBuf::from_str(netns)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/async_skel.rs:162:29
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 let netns = PathBuf::from_str(&get_env(CNI_NETNS)?)
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/skel.rs:144:29
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 let netns = PathBuf::from_str(&get_env(CNI_NETNS)?)
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/skel.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         PathBuf::from_str(netns)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/skel.rs:215:29
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 let netns = PathBuf::from_str(&get_env(CNI_NETNS)?)
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rscni` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3f7f49ffcfd429eb158a0a77f30a25fdce60cd53e26fcca34ff9fb102603e71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7f49ffcfd429eb158a0a77f30a25fdce60cd53e26fcca34ff9fb102603e71b", kill_on_drop: false }`
[INFO] [stdout] 3f7f49ffcfd429eb158a0a77f30a25fdce60cd53e26fcca34ff9fb102603e71b
