[INFO] cloning repository https://github.com/rrumana/rust_lecture [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rrumana/rust_lecture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrumana%2Frust_lecture", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrumana%2Frust_lecture'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e6c3c083ae175b5c7112afdec97ce9ced7260811 [INFO] building rrumana/rust_lecture against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrumana%2Frust_lecture" "/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/rrumana/rust_lecture [INFO] finished tweaking git repo https://github.com/rrumana/rust_lecture [INFO] tweaked toml for git repo https://github.com/rrumana/rust_lecture written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rrumana/rust_lecture on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rrumana/rust_lecture 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd859337e0e5a6a1c6d22a23b295ff2c6030ad28a48e72666a6d77fcbd75a196 [INFO] running `Command { std: "docker" "start" "-a" "cd859337e0e5a6a1c6d22a23b295ff2c6030ad28a48e72666a6d77fcbd75a196", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd859337e0e5a6a1c6d22a23b295ff2c6030ad28a48e72666a6d77fcbd75a196", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd859337e0e5a6a1c6d22a23b295ff2c6030ad28a48e72666a6d77fcbd75a196", kill_on_drop: false }` [INFO] [stdout] cd859337e0e5a6a1c6d22a23b295ff2c6030ad28a48e72666a6d77fcbd75a196 [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" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0e11c2328530bcba21c9967e53ddbf197786cc73e36f1c9ba8202a577704eaa [INFO] running `Command { std: "docker" "start" "-a" "e0e11c2328530bcba21c9967e53ddbf197786cc73e36f1c9ba8202a577704eaa", kill_on_drop: false }` [INFO] [stderr] Compiling smallvec v1.15.0 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling cc v1.2.25 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling litemap v0.8.0 [INFO] [stderr] Compiling writeable v0.6.1 [INFO] [stderr] Compiling socket2 v0.5.10 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.5 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Compiling http v0.2.12 [INFO] [stderr] Compiling hashbrown v0.15.3 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling indexmap v2.9.0 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling http-body v0.4.6 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling clap_lex v0.7.4 [INFO] [stderr] Compiling rustls-pemfile v1.0.4 [INFO] [stderr] Compiling clap_builder v4.5.39 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling thread_local v1.1.8 [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling humantime v2.2.0 [INFO] [stderr] Compiling sync_wrapper v0.1.2 [INFO] [stderr] Compiling tracing-subscriber v0.3.19 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling env_logger v0.10.2 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling crossbeam v0.8.4 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling tempfile v3.20.0 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Compiling uuid v1.17.0 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling tokio v1.45.1 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Compiling zerovec v0.11.2 [INFO] [stderr] Compiling zerotrie v0.2.2 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tinystr v0.8.1 [INFO] [stderr] Compiling icu_locale_core v2.0.0 [INFO] [stderr] Compiling potential_utf v0.1.2 [INFO] [stderr] Compiling icu_collections v2.0.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling clap v4.5.39 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling icu_provider v2.0.0 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling icu_normalizer v2.0.0 [INFO] [stderr] Compiling icu_properties v2.0.1 [INFO] [stderr] Compiling tokio-util v0.7.15 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.3.26 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling hyper v0.14.32 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.27 [INFO] [stderr] Compiling lecture v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/section6_idioms.rs:337:36 [INFO] [stdout] | [INFO] [stdout] 337 | fn process_maybe_modify(input: &str, should_modify: bool) -> Cow { [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] 337 | fn process_maybe_modify(input: &str, should_modify: bool) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 58s [INFO] running `Command { std: "docker" "inspect" "e0e11c2328530bcba21c9967e53ddbf197786cc73e36f1c9ba8202a577704eaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0e11c2328530bcba21c9967e53ddbf197786cc73e36f1c9ba8202a577704eaa", kill_on_drop: false }` [INFO] [stdout] e0e11c2328530bcba21c9967e53ddbf197786cc73e36f1c9ba8202a577704eaa [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" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7629853181f03714ae456e8f5bc38a276e5994a7299fa0f4e11bd2110a9e4c04 [INFO] running `Command { std: "docker" "start" "-a" "7629853181f03714ae456e8f5bc38a276e5994a7299fa0f4e11bd2110a9e4c04", kill_on_drop: false }` [INFO] [stderr] Compiling lecture v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/section6_idioms.rs:337:36 [INFO] [stdout] | [INFO] [stdout] 337 | fn process_maybe_modify(input: &str, should_modify: bool) -> Cow { [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] 337 | fn process_maybe_modify(input: &str, should_modify: bool) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/section6_idioms.rs:337:36 [INFO] [stdout] | [INFO] [stdout] 337 | fn process_maybe_modify(input: &str, should_modify: bool) -> Cow { [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] 337 | fn process_maybe_modify(input: &str, should_modify: bool) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.37s [INFO] running `Command { std: "docker" "inspect" "7629853181f03714ae456e8f5bc38a276e5994a7299fa0f4e11bd2110a9e4c04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7629853181f03714ae456e8f5bc38a276e5994a7299fa0f4e11bd2110a9e4c04", kill_on_drop: false }` [INFO] [stdout] 7629853181f03714ae456e8f5bc38a276e5994a7299fa0f4e11bd2110a9e4c04