[INFO] cloning repository https://github.com/juan-fdz-hawa/learning_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juan-fdz-hawa/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuan-fdz-hawa%2Flearning_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuan-fdz-hawa%2Flearning_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de56c8d59dad71761456c4e5d66d0bc5c700b4aa [INFO] checking juan-fdz-hawa/learning_rust against try#69cf48176da7795067be67cef76e41a8aac9b134 for pr-146013-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuan-fdz-hawa%2Flearning_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/juan-fdz-hawa/learning_rust [INFO] finished tweaking git repo https://github.com/juan-fdz-hawa/learning_rust [INFO] tweaked toml for git repo https://github.com/juan-fdz-hawa/learning_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/juan-fdz-hawa/learning_rust on toolchain 69cf48176da7795067be67cef76e41a8aac9b134 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/juan-fdz-hawa/learning_rust 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" "+69cf48176da7795067be67cef76e41a8aac9b134" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcb0898bdae59c6df262719e51225a628a5f534b9e55a1678c62fd9a58e96d5e [INFO] running `Command { std: "docker" "start" "-a" "dcb0898bdae59c6df262719e51225a628a5f534b9e55a1678c62fd9a58e96d5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcb0898bdae59c6df262719e51225a628a5f534b9e55a1678c62fd9a58e96d5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcb0898bdae59c6df262719e51225a628a5f534b9e55a1678c62fd9a58e96d5e", kill_on_drop: false }` [INFO] [stdout] dcb0898bdae59c6df262719e51225a628a5f534b9e55a1678c62fd9a58e96d5e [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2dea8d0fc2c6472a6dad23164c2071c3db95376dbe2634c4358be4db682cb483 [INFO] running `Command { std: "docker" "start" "-a" "2dea8d0fc2c6472a6dad23164c2071c3db95376dbe2634c4358be4db682cb483", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.162 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Checking bytes v1.8.0 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling cc v1.1.37 [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling openssl v0.10.68 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Checking litemap v0.7.3 [INFO] [stderr] Checking hashbrown v0.15.1 [INFO] [stderr] Compiling writeable v0.5.5 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling pin-project-lite v0.2.15 [INFO] [stderr] Compiling icu_locid_transform_data v1.5.0 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling icu_properties_data v1.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling write16 v1.0.0 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling icu_normalizer_data v1.5.0 [INFO] [stderr] Compiling utf8_iter v1.0.4 [INFO] [stderr] Compiling httparse v1.9.5 [INFO] [stderr] Compiling utf16_iter v1.0.5 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Checking allocator-api2 v0.2.20 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Checking indexmap v2.6.0 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling crc-catalog v2.4.0 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling rustix v0.38.40 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling cpufeatures v0.2.15 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling tokio v1.41.1 [INFO] [stderr] Compiling event-listener v5.3.1 [INFO] [stderr] Compiling crc v3.2.1 [INFO] [stderr] Compiling openssl-sys v0.9.104 [INFO] [stderr] Compiling libsqlite3-sys v0.30.1 [INFO] [stderr] Compiling futures-intrusive v0.5.0 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling crossbeam-queue v0.3.11 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Compiling atoi v2.0.0 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling hashlink v0.9.1 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling flume v0.11.1 [INFO] [stderr] Compiling fastrand v2.2.0 [INFO] [stderr] Compiling rustversion v1.0.18 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Compiling dotenvy v0.15.7 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Checking rustls-pki-types v1.10.0 [INFO] [stderr] Compiling thiserror v2.0.3 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking clap_builder v4.5.20 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking ipnet v2.10.1 [INFO] [stderr] Checking matchit v0.7.3 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking dashmap v6.1.0 [INFO] [stderr] Compiling sqlformat v0.2.6 [INFO] [stderr] Checking rustls-pemfile v2.2.0 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking rwlocks v0.1.0 (/opt/rustwide/workdir/session_2/rwlocks) [INFO] [stderr] Checking memory_semantics v0.1.0 (/opt/rustwide/workdir/session_1/memory_semantics) [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir/session_1/hello_world) [INFO] [stderr] Checking thread_builder v0.1.0 (/opt/rustwide/workdir/session_2/thread_builder) [INFO] [stderr] Checking atomic v0.1.0 (/opt/rustwide/workdir/session_2/atomic) [INFO] [stdout] warning: unused variable: `handler` [INFO] [stdout] --> session_2/thread_builder/src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let handler = thread::Builder::new() [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/session_2/mutexes) [INFO] [stderr] Checking channels1 v0.1.0 (/opt/rustwide/workdir/session_2/channels1) [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/session_1/variables) [INFO] [stderr] Checking deadlock v0.1.0 (/opt/rustwide/workdir/session_2/deadlock) [INFO] [stderr] Checking text_input v0.1.0 (/opt/rustwide/workdir/session_1/text_input) [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> session_1/variables/src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let m = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `n` is assigned to, but never used [INFO] [stdout] --> session_1/variables/src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut n = 5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_n` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> session_1/variables/src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | n += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lock` [INFO] [stdout] --> session_2/deadlock/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let lock = MY_SHARED.lock().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_lock` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lock` [INFO] [stdout] --> session_2/deadlock/src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let lock = MY_SHARED.lock().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_lock` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lock` [INFO] [stdout] --> session_2/deadlock/src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let lock = MY_SHARED.lock().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_lock` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello_thread v0.1.0 (/opt/rustwide/workdir/session_2/hello_thread) [INFO] [stderr] Checking divide_work v0.1.0 (/opt/rustwide/workdir/session_2/divide_work) [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> session_1/variables/src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let m = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/session_2/scoped_threads) [INFO] [stdout] warning: variable `n` is assigned to, but never used [INFO] [stdout] --> session_1/variables/src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut n = 5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_n` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> session_1/variables/src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | n += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking dashing v0.1.0 (/opt/rustwide/workdir/session_2/dashing) [INFO] [stdout] warning: unused variable: `handler` [INFO] [stdout] --> session_2/thread_builder/src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let handler = thread::Builder::new() [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lock` [INFO] [stdout] --> session_2/deadlock/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let lock = MY_SHARED.lock().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_lock` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lock` [INFO] [stdout] --> session_2/deadlock/src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let lock = MY_SHARED.lock().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_lock` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lock` [INFO] [stdout] --> session_2/deadlock/src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let lock = MY_SHARED.lock().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_lock` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling tempfile v3.14.0 [INFO] [stderr] Compiling zerofrom-derive v0.1.4 [INFO] [stderr] Compiling yoke-derive v0.7.4 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Compiling clap_derive v4.5.18 [INFO] [stderr] Compiling thiserror-impl v2.0.3 [INFO] [stderr] error: could not compile `tokio` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/69cf48176da7795067be67cef76e41a8aac9b134/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.1/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="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="rt"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=8249d318ff411600 -C extra-filename=-d5440552b09156df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-f1ba6bac00788823.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f7a59f2f745fab1b.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-104032c7a13cbb71.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-5124f05a105e83a8.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-9b30f314fbaacc0f.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" "2dea8d0fc2c6472a6dad23164c2071c3db95376dbe2634c4358be4db682cb483", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dea8d0fc2c6472a6dad23164c2071c3db95376dbe2634c4358be4db682cb483", kill_on_drop: false }` [INFO] [stdout] 2dea8d0fc2c6472a6dad23164c2071c3db95376dbe2634c4358be4db682cb483