[INFO] cloning repository https://github.com/vrmiguel/porquinho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vrmiguel/porquinho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvrmiguel%2Fporquinho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvrmiguel%2Fporquinho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb29e2483ed9c49ef522e72035c6e109261267f2
[INFO] checking vrmiguel/porquinho 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%2Fvrmiguel%2Fporquinho" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vrmiguel/porquinho
[INFO] finished tweaking git repo https://github.com/vrmiguel/porquinho
[INFO] tweaked toml for git repo https://github.com/vrmiguel/porquinho written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vrmiguel/porquinho 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/vrmiguel/porquinho 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e57884fb2c1afa14a4067dfc1ec6f83afa5a116b865eff9a33560ab4430f9dbe
[INFO] running `Command { std: "docker" "start" "-a" "e57884fb2c1afa14a4067dfc1ec6f83afa5a116b865eff9a33560ab4430f9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57884fb2c1afa14a4067dfc1ec6f83afa5a116b865eff9a33560ab4430f9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57884fb2c1afa14a4067dfc1ec6f83afa5a116b865eff9a33560ab4430f9dbe", kill_on_drop: false }`
[INFO] [stdout] e57884fb2c1afa14a4067dfc1ec6f83afa5a116b865eff9a33560ab4430f9dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d787ceb26a6670608ee87bc111eb9ff342c933ae0db6a2548f22bb62eb81fe77
[INFO] running `Command { std: "docker" "start" "-a" "d787ceb26a6670608ee87bc111eb9ff342c933ae0db6a2548f22bb62eb81fe77", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking nu-ansi-term v0.42.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking fs-err v2.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking fixed-buffer v0.3.1
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking ansi-parser v0.8.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking num-bigint v0.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ansi-cut v0.2.0
[INFO] [stderr]     Checking clap v3.1.2
[INFO] [stderr]     Checking bigdecimal v0.3.0
[INFO] [stderr]     Checking nu-table v0.59.1 (/opt/rustwide/workdir/crates/nu-table)
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]   --> crates/nu-table/src/wrap.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Line {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 24 |     pub sublines: Vec<Subline>,
[INFO] [stdout] 25 |     pub width: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has a derived impl for the trait `Debug`, 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]   --> crates/nu-table/src/wrap.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn strip_ansi(string: &str) -> 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] 62 | fn strip_ansi(string: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]   --> crates/nu-table/src/wrap.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Line {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 24 |     pub sublines: Vec<Subline>,
[INFO] [stdout] 25 |     pub width: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has a derived impl for the trait `Debug`, 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]   --> crates/nu-table/src/wrap.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn strip_ansi(string: &str) -> 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] 62 | fn strip_ansi(string: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking porquinho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | /         #[clap(required = true)]
[INFO] [stdout] 22 | |         description: 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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         #[clap(required = true)]
[INFO] [stdout] 30 | |         description: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | /         #[clap(required = true)]
[INFO] [stdout] 22 | |         description: 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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         #[clap(required = true)]
[INFO] [stdout] 30 | |         description: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `porquinho` (bin "porquinho" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `porquinho` (bin "porquinho") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d787ceb26a6670608ee87bc111eb9ff342c933ae0db6a2548f22bb62eb81fe77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d787ceb26a6670608ee87bc111eb9ff342c933ae0db6a2548f22bb62eb81fe77", kill_on_drop: false }`
[INFO] [stdout] d787ceb26a6670608ee87bc111eb9ff342c933ae0db6a2548f22bb62eb81fe77
