[INFO] fetching crate sewer 0.1.0...
[INFO] checking sewer-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate sewer 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sewer 0.1.0
[INFO] finished tweaking crates.io crate sewer 0.1.0
[INFO] tweaked toml for crates.io crate sewer 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sewer 0.1.0 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 crates.io crate sewer 0.1.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 55b2fbbb37ee0ab65431f1fd9a98dadf5baadbfb14f96ceba5a491eaf9d1e1d6
[INFO] running `Command { std: "docker" "start" "-a" "55b2fbbb37ee0ab65431f1fd9a98dadf5baadbfb14f96ceba5a491eaf9d1e1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b2fbbb37ee0ab65431f1fd9a98dadf5baadbfb14f96ceba5a491eaf9d1e1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b2fbbb37ee0ab65431f1fd9a98dadf5baadbfb14f96ceba5a491eaf9d1e1d6", kill_on_drop: false }`
[INFO] [stdout] 55b2fbbb37ee0ab65431f1fd9a98dadf5baadbfb14f96ceba5a491eaf9d1e1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 586e1b080e92d77dc74ec2271f20c7339c0727093f08d9fb15d60f288d3db774
[INFO] running `Command { std: "docker" "start" "-a" "586e1b080e92d77dc74ec2271f20c7339c0727093f08d9fb15d60f288d3db774", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling peg-runtime v0.8.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling peg-macros v0.8.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking peg v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking sewer-replacement v0.1.0
[INFO] [stderr]     Checking clap v3.1.15
[INFO] [stderr]     Checking sewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     /// File to patch
[INFO] [stdout] 49 | |     file: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     /// Copy original file to specified path
[INFO] [stdout] 52 | |     #[clap(long)]
[INFO] [stdout] 53 | |     backup: Option<PathBuf>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         /// Patch file
[INFO] [stdout] 80 | |         file: PathBuf,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn get(&self, idx: usize) -> Option<Cow<[u8]>> {
[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] 158 |     fn get(&self, idx: usize) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:162:10
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn name(&self, name: &str) -> Option<Cow<[u8]>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn name(&self, name: &str) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sewer` (bin "sewer" test) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     /// File to patch
[INFO] [stdout] 49 | |     file: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     /// Copy original file to specified path
[INFO] [stdout] 52 | |     #[clap(long)]
[INFO] [stdout] 53 | |     backup: Option<PathBuf>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 | /         /// Patch file
[INFO] [stdout] 80 | |         file: PathBuf,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn get(&self, idx: usize) -> Option<Cow<[u8]>> {
[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] 158 |     fn get(&self, idx: usize) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:162:10
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn name(&self, name: &str) -> Option<Cow<[u8]>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn name(&self, name: &str) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sewer` (bin "sewer") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "586e1b080e92d77dc74ec2271f20c7339c0727093f08d9fb15d60f288d3db774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586e1b080e92d77dc74ec2271f20c7339c0727093f08d9fb15d60f288d3db774", kill_on_drop: false }`
[INFO] [stdout] 586e1b080e92d77dc74ec2271f20c7339c0727093f08d9fb15d60f288d3db774
