[INFO] cloning repository https://github.com/zserik/crulz-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zserik/crulz-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzserik%2Fcrulz-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzserik%2Fcrulz-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e94f176f8daf22dd43f099e7eedbb9469a169ed0 [INFO] checking zserik/crulz-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%2Fzserik%2Fcrulz-rs" "/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/zserik/crulz-rs [INFO] finished tweaking git repo https://github.com/zserik/crulz-rs [INFO] tweaked toml for git repo https://github.com/zserik/crulz-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/zserik/crulz-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/zserik/crulz-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-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] 1ade8e00b6d346006a5a54c9253e50e3c8794226d1dcf04ecc1bc3ffe9d33f2c [INFO] running `Command { std: "docker" "start" "-a" "1ade8e00b6d346006a5a54c9253e50e3c8794226d1dcf04ecc1bc3ffe9d33f2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ade8e00b6d346006a5a54c9253e50e3c8794226d1dcf04ecc1bc3ffe9d33f2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ade8e00b6d346006a5a54c9253e50e3c8794226d1dcf04ecc1bc3ffe9d33f2c", kill_on_drop: false }` [INFO] [stdout] 1ade8e00b6d346006a5a54c9253e50e3c8794226d1dcf04ecc1bc3ffe9d33f2c [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] bc8bc3000515252adfdea12a0ca59c3210268e69b408cdb13d1067aa3cdfb819 [INFO] running `Command { std: "docker" "start" "-a" "bc8bc3000515252adfdea12a0ca59c3210268e69b408cdb13d1067aa3cdfb819", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking atoi v0.4.0 [INFO] [stderr] Checking codespan v0.11.1 [INFO] [stderr] Checking memmap2 v0.2.1 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Compiling delegate-attr v0.2.9 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling gumdrop_derive v0.8.0 [INFO] [stderr] Checking readfilez v0.2.4 [INFO] [stderr] Checking gumdrop v0.8.0 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking bincode v1.3.2 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking crulz v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ast/mod.rs:241:17 [INFO] [stdout] | [INFO] [stdout] 241 | pub fn iter(&self) -> std::slice::Iter { } [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] 241 | pub fn iter(&self) -> std::slice::Iter<'_, Node> { } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ast/mod.rs:242:21 [INFO] [stdout] | [INFO] [stdout] 242 | pub fn iter_mut(&mut self) -> std::slice::IterMut { } [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] 242 | pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, Node> { } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ast/mod.rs:241:17 [INFO] [stdout] | [INFO] [stdout] 241 | pub fn iter(&self) -> std::slice::Iter { } [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] 241 | pub fn iter(&self) -> std::slice::Iter<'_, Node> { } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ast/mod.rs:242:21 [INFO] [stdout] | [INFO] [stdout] 242 | pub fn iter_mut(&mut self) -> std::slice::IterMut { } [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] 242 | pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, Node> { } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | #[derive(Debug, Options)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | #[derive(Debug, Options)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `crulz` (bin "crulz" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | #[derive(Debug, Options)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | #[derive(Debug, Options)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `crulz` (bin "crulz") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "bc8bc3000515252adfdea12a0ca59c3210268e69b408cdb13d1067aa3cdfb819", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc8bc3000515252adfdea12a0ca59c3210268e69b408cdb13d1067aa3cdfb819", kill_on_drop: false }` [INFO] [stdout] bc8bc3000515252adfdea12a0ca59c3210268e69b408cdb13d1067aa3cdfb819