[INFO] cloning repository https://github.com/Ioka-Technologies/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ioka-Technologies/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIoka-Technologies%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIoka-Technologies%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 558e2e16fd23591ad1dc16784ee65ebcfeb36a75 [INFO] testing Ioka-Technologies/rust-playground against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIoka-Technologies%2Frust-playground" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ioka-Technologies/rust-playground on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ioka-Technologies/rust-playground [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/Ioka-Technologies/rust-playground [INFO] tweaked toml for git repo https://github.com/Ioka-Technologies/rust-playground written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Ioka-Technologies/rust-playground 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 524d6f3c465a68abde5e671b2301fae4728aafbe96a738495917d4af5f8852a3 [INFO] running `Command { std: "docker" "start" "-a" "524d6f3c465a68abde5e671b2301fae4728aafbe96a738495917d4af5f8852a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "524d6f3c465a68abde5e671b2301fae4728aafbe96a738495917d4af5f8852a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "524d6f3c465a68abde5e671b2301fae4728aafbe96a738495917d4af5f8852a3", kill_on_drop: false }` [INFO] [stdout] 524d6f3c465a68abde5e671b2301fae4728aafbe96a738495917d4af5f8852a3 [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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30e7412a45b8960f3e820e1c0bb481723037d3a333ac60d3067989aa9e3d0944 [INFO] running `Command { std: "docker" "start" "-a" "30e7412a45b8960f3e820e1c0bb481723037d3a333ac60d3067989aa9e3d0944", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling deunicode v1.4.3 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rayon v1.9.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling darling_core v0.20.8 [INFO] [stderr] Compiling darling_macro v0.20.8 [INFO] [stderr] Compiling darling v0.20.8 [INFO] [stderr] Compiling dummy v0.7.0 [INFO] [stderr] Compiling fake v2.9.2 [INFO] [stderr] Compiling playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lessons/threads.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::mpsc::{self, Receiver}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Work` is never constructed [INFO] [stdout] --> src/lessons/threads.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Work { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `process` are never used [INFO] [stdout] --> src/lessons/threads.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl Work { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 17 | fn new() -> Work { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn process(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_jobs` is never used [INFO] [stdout] --> src/lessons/threads.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn process_jobs(recv_channel: Receiver<&mut Work>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simple_thread` is never used [INFO] [stdout] --> src/lessons/threads.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn simple_thread() -> thread::JoinHandle> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mutex_and_atomic_ref_counts` is never used [INFO] [stdout] --> src/lessons/threads.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn mutex_and_atomic_ref_counts(num_increments: usize) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `LogLevel` is never used [INFO] [stdout] --> src/lessons/traits.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum LogLevel { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LoggingService` is never constructed [INFO] [stdout] --> src/lessons/traits.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct LoggingService { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_level`, `add_logger`, and `log` are never used [INFO] [stdout] --> src/lessons/traits.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl LoggingService { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 21 | fn new(level: LogLevel) -> LoggingService { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn set_level(&'_ mut self, level: LogLevel) -> &'_ mut Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn add_logger(&'_ mut self, logger: Rc) -> &'_ mut Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | fn log(&self, level: LogLevel, message: &str) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestLogger` is never constructed [INFO] [stdout] --> src/lessons/traits.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | struct TestLogger { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lessons/traits.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 51 | impl TestLogger { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 52 | fn new() -> TestLogger { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lessons/chaining.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | MEMBERS.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lessons/chaining.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | / MEMBERS.insert( [INFO] [stdout] 43 | | i, [INFO] [stdout] 44 | | Member::new(i, FirstName(EN).fake(), FreeEmail(EN).fake()), [INFO] [stdout] 45 | | ); [INFO] [stdout] | |_________________^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lessons/chaining.rs:95:30 [INFO] [stdout] | [INFO] [stdout] 95 | if let Some(m) = MEMBERS.get_mut(&arg.id) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lessons/chaining.rs:107:18 [INFO] [stdout] | [INFO] [stdout] 107 | unsafe { MEMBERS.values().collect() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.11s [INFO] running `Command { std: "docker" "inspect" "30e7412a45b8960f3e820e1c0bb481723037d3a333ac60d3067989aa9e3d0944", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30e7412a45b8960f3e820e1c0bb481723037d3a333ac60d3067989aa9e3d0944", kill_on_drop: false }` [INFO] [stdout] 30e7412a45b8960f3e820e1c0bb481723037d3a333ac60d3067989aa9e3d0944 [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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2465555fe3e6ce502973f6a44667378af447cb0ffbc267617ff62994c609b4d2 [INFO] running `Command { std: "docker" "start" "-a" "2465555fe3e6ce502973f6a44667378af447cb0ffbc267617ff62994c609b4d2", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling bitflags v2.4.2 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling itoa v1.0.10 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling anstyle-parse v0.2.3 [INFO] [stderr] Compiling peg-runtime v0.6.3 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling anstyle v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.7.5 [INFO] [stderr] Compiling unicode-width v0.1.11 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling bstr v1.9.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling anstyle-query v1.0.2 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling anstream v0.6.13 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling peg-macros v0.6.3 [INFO] [stderr] Compiling strsim v0.11.0 [INFO] [stderr] Compiling unicode-linebreak v0.1.5 [INFO] [stderr] Compiling clap_lex v0.7.0 [INFO] [stderr] Compiling async-trait v0.1.77 [INFO] [stderr] Compiling anyhow v1.0.80 [INFO] [stderr] Compiling smawk v0.3.2 [INFO] [stderr] Compiling rayon v1.9.0 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling textwrap v0.16.1 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Compiling inflections v1.1.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling terminal_size v0.3.0 [INFO] [stderr] Compiling peg v0.6.3 [INFO] [stderr] Compiling nom_locate v4.2.0 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling inventory v0.3.15 [INFO] [stderr] Compiling linked-hash-map v0.5.6 [INFO] [stderr] error: could not compile `syn` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/a7ce54db9b096bd1098d07c645b489195a667c9f/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.52/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=a407faeab15f9a60 -C extra-filename=-a5ae78e67b65da2e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f85d41bda43c41c1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-34c03e7f7b0b2442.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2465555fe3e6ce502973f6a44667378af447cb0ffbc267617ff62994c609b4d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2465555fe3e6ce502973f6a44667378af447cb0ffbc267617ff62994c609b4d2", kill_on_drop: false }` [INFO] [stdout] 2465555fe3e6ce502973f6a44667378af447cb0ffbc267617ff62994c609b4d2