[INFO] fetching crate oozie 0.1.2... [INFO] checking oozie-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate oozie 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate oozie 0.1.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate oozie 0.1.2 [INFO] finished tweaking crates.io crate oozie 0.1.2 [INFO] tweaked toml for crates.io crate oozie 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 15 packages [INFO] [stderr] Adding csv v0.15.0 (latest: v1.3.0) [INFO] [stderr] Adding memchr v1.0.2 (latest: v2.7.2) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded csv v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc577f14901a1800c1f2eb7090b3cf882f425a13a1b51316faec8fd6f31027da [INFO] running `Command { std: "docker" "start" "-a" "dc577f14901a1800c1f2eb7090b3cf882f425a13a1b51316faec8fd6f31027da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc577f14901a1800c1f2eb7090b3cf882f425a13a1b51316faec8fd6f31027da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc577f14901a1800c1f2eb7090b3cf882f425a13a1b51316faec8fd6f31027da", kill_on_drop: false }` [INFO] [stdout] dc577f14901a1800c1f2eb7090b3cf882f425a13a1b51316faec8fd6f31027da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ae30729c78d35d0f2948beb8e715d8e2f9e993b9a659c738572be62ca858807 [INFO] running `Command { std: "docker" "start" "-a" "0ae30729c78d35d0f2948beb8e715d8e2f9e993b9a659c738572be62ca858807", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking csv v0.15.0 [INFO] [stderr] Checking oozie v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/recommender.rs:383:9 [INFO] [stdout] | [INFO] [stdout] 383 | / /// Predicts the rating for an user and item averaging the ratings of the [INFO] [stdout] 384 | | /// k items most similar to the item rated by the user. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 385 | let mut total_sim: f64 = 0.0; [INFO] [stdout] | ----------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/recommender.rs:383:9 [INFO] [stdout] | [INFO] [stdout] 383 | / /// Predicts the rating for an user and item averaging the ratings of the [INFO] [stdout] 384 | | /// k items most similar to the item rated by the user. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 385 | let mut total_sim: f64 = 0.0; [INFO] [stdout] | ----------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:7:24 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{thread_rng, sample}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:22:40 [INFO] [stdout] | [INFO] [stdout] 22 | data_handler.get_user_ratings(*sample(&mut rng, &user_ids, 1)[0]) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:34:40 [INFO] [stdout] | [INFO] [stdout] 34 | data_handler.get_item_ratings(*sample(&mut rng, &item_ids, 1)[0]) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | let user_id = *sample(&mut rng, &user_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 50 | let item_id = *sample(&mut rng, &item_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:66:24 [INFO] [stdout] | [INFO] [stdout] 66 | let user_id = *sample(&mut rng, &user_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:67:24 [INFO] [stdout] | [INFO] [stdout] 67 | let item_id = *sample(&mut rng, &item_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:83:24 [INFO] [stdout] | [INFO] [stdout] 83 | let user_id = *sample(&mut rng, &user_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:84:24 [INFO] [stdout] | [INFO] [stdout] 84 | let item_id = *sample(&mut rng, &item_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:100:24 [INFO] [stdout] | [INFO] [stdout] 100 | let user_id = *sample(&mut rng, &user_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:101:24 [INFO] [stdout] | [INFO] [stdout] 101 | let item_id = *sample(&mut rng, &item_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:117:24 [INFO] [stdout] | [INFO] [stdout] 117 | let user_id = *sample(&mut rng, &user_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> benches/oozie.rs:133:24 [INFO] [stdout] | [INFO] [stdout] 133 | let user_id = *sample(&mut rng, &user_ids, 1)[0]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "0ae30729c78d35d0f2948beb8e715d8e2f9e993b9a659c738572be62ca858807", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ae30729c78d35d0f2948beb8e715d8e2f9e993b9a659c738572be62ca858807", kill_on_drop: false }` [INFO] [stdout] 0ae30729c78d35d0f2948beb8e715d8e2f9e993b9a659c738572be62ca858807 [INFO] checking oozie-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate oozie 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate oozie 0.1.2 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate oozie 0.1.2 [INFO] finished tweaking crates.io crate oozie 0.1.2 [INFO] tweaked toml for crates.io crate oozie 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad96d042423cf05a836b02170abfa38394b839a3943067b41bcb5d729e01efbd [INFO] running `Command { std: "docker" "start" "-a" "ad96d042423cf05a836b02170abfa38394b839a3943067b41bcb5d729e01efbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad96d042423cf05a836b02170abfa38394b839a3943067b41bcb5d729e01efbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad96d042423cf05a836b02170abfa38394b839a3943067b41bcb5d729e01efbd", kill_on_drop: false }` [INFO] [stdout] ad96d042423cf05a836b02170abfa38394b839a3943067b41bcb5d729e01efbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99f77927b7731fabe646dc1b3c9d9b98a43e664af114aa997eeffa5fd8b59322 [INFO] running `Command { std: "docker" "start" "-a" "99f77927b7731fabe646dc1b3c9d9b98a43e664af114aa997eeffa5fd8b59322", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20 [INFO] [stdout] | [INFO] [stdout] 1387 | _ => { panic!(); } [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "99f77927b7731fabe646dc1b3c9d9b98a43e664af114aa997eeffa5fd8b59322", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99f77927b7731fabe646dc1b3c9d9b98a43e664af114aa997eeffa5fd8b59322", kill_on_drop: false }` [INFO] [stdout] 99f77927b7731fabe646dc1b3c9d9b98a43e664af114aa997eeffa5fd8b59322