[INFO] fetching crate rust_io 0.6.0... [INFO] testing rust_io-0.6.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate rust_io 0.6.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate rust_io 0.6.0 [INFO] finished tweaking crates.io crate rust_io 0.6.0 [INFO] tweaked toml for crates.io crate rust_io 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rust_io 0.6.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 70 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.104 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.54 [INFO] [stderr] Downloaded event-listener v2.5.3 [INFO] [stderr] Downloaded futures-lite v2.6.1 [INFO] [stderr] Downloaded async-lock v3.4.1 [INFO] [stderr] Downloaded async-channel v2.5.0 [INFO] [stderr] Downloaded slab v0.4.11 [INFO] [stderr] Downloaded wasm-bindgen v0.2.104 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.104 [INFO] [stderr] Downloaded futures-macro v0.3.31 [INFO] [stderr] Downloaded memchr v2.7.6 [INFO] [stderr] Downloaded async-channel v1.9.0 [INFO] [stderr] Downloaded async-task v4.7.1 [INFO] [stderr] Downloaded polling v3.11.0 [INFO] [stderr] Downloaded async-executor v1.13.3 [INFO] [stderr] Downloaded parking v2.2.1 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.104 [INFO] [stderr] Downloaded piper v0.2.4 [INFO] [stderr] Downloaded async-global-executor v2.4.1 [INFO] [stderr] Downloaded concurrent-queue v2.5.0 [INFO] [stderr] Downloaded event-listener v5.4.1 [INFO] [stderr] Downloaded async-io v2.6.0 [INFO] [stderr] Downloaded gloo-timers v0.3.0 [INFO] [stderr] Downloaded value-bag v1.11.1 [INFO] [stderr] Downloaded blocking v1.6.2 [INFO] [stderr] Downloaded hermit-abi v0.5.2 [INFO] [stderr] Downloaded event-listener-strategy v0.5.4 [INFO] [stderr] Downloaded js-sys v0.3.81 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.104 [INFO] [stderr] Downloaded async-std v1.13.2 [INFO] [stderr] Downloaded atomic-waker v1.1.2 [INFO] [stderr] Downloaded kv-log-macro v1.0.7 [INFO] [stderr] Downloaded web-sys v0.3.81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bf4a74151430b43cd08b1c9806a7d8140b32760c1c36f2336716f420c9460d6 [INFO] running `Command { std: "docker" "start" "-a" "0bf4a74151430b43cd08b1c9806a7d8140b32760c1c36f2336716f420c9460d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bf4a74151430b43cd08b1c9806a7d8140b32760c1c36f2336716f420c9460d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bf4a74151430b43cd08b1c9806a7d8140b32760c1c36f2336716f420c9460d6", kill_on_drop: false }` [INFO] [stdout] 0bf4a74151430b43cd08b1c9806a7d8140b32760c1c36f2336716f420c9460d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c7752e82549611deb94834795dc91a92bcf9b8f62e6289e361f349f46d25a76a [INFO] running `Command { std: "docker" "start" "-a" "c7752e82549611deb94834795dc91a92bcf9b8f62e6289e361f349f46d25a76a", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling slab v0.4.11 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling futures-lite v2.6.1 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling async-task v4.7.1 [INFO] [stderr] Compiling async-io v2.6.0 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling atomic-waker v1.1.2 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling piper v0.2.4 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling event-listener v5.4.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling value-bag v1.11.1 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling async-executor v1.13.3 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling async-channel v2.5.0 [INFO] [stderr] Compiling blocking v1.6.2 [INFO] [stderr] Compiling async-lock v3.4.1 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling polling v3.11.0 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling async-std v1.13.2 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling rust_io v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Rng` and `thread_rng` [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{Rng, thread_rng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.17s [INFO] running `Command { std: "docker" "inspect" "c7752e82549611deb94834795dc91a92bcf9b8f62e6289e361f349f46d25a76a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7752e82549611deb94834795dc91a92bcf9b8f62e6289e361f349f46d25a76a", kill_on_drop: false }` [INFO] [stdout] c7752e82549611deb94834795dc91a92bcf9b8f62e6289e361f349f46d25a76a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecdab19d4b1efd7ef1f1353e1188b61ff751b0bec1b38d66c39713a91e5354d7 [INFO] running `Command { std: "docker" "start" "-a" "ecdab19d4b1efd7ef1f1353e1188b61ff751b0bec1b38d66c39713a91e5354d7", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `Rng` and `thread_rng` [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{Rng, thread_rng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust_io v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:782:29 [INFO] [stdout] | [INFO] [stdout] 782 | .map_error(|t| String::from("Error B")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:930:29 [INFO] [stdout] | [INFO] [stdout] 930 | .map_error(|t| String::from("Error B")) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.42s [INFO] running `Command { std: "docker" "inspect" "ecdab19d4b1efd7ef1f1353e1188b61ff751b0bec1b38d66c39713a91e5354d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecdab19d4b1efd7ef1f1353e1188b61ff751b0bec1b38d66c39713a91e5354d7", kill_on_drop: false }` [INFO] [stdout] ecdab19d4b1efd7ef1f1353e1188b61ff751b0bec1b38d66c39713a91e5354d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4846ba8a408f69eaf91070158ed35d2c6cc4cbc5d973f0aac06d856ac072c71a [INFO] running `Command { std: "docker" "start" "-a" "4846ba8a408f69eaf91070158ed35d2c6cc4cbc5d973f0aac06d856ac072c71a", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Rng` and `thread_rng` [INFO] [stderr] --> src/lib.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 7 | use rand::{Rng, thread_rng}; [INFO] [stderr] | ^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_io` (lib) generated 1 warning (run `cargo fix --lib -p rust_io` to apply 1 suggestion) [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/lib.rs:782:29 [INFO] [stderr] | [INFO] [stderr] 782 | .map_error(|t| String::from("Error B")); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/lib.rs:930:29 [INFO] [stderr] | [INFO] [stderr] 930 | .map_error(|t| String::from("Error B")) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: `rust_io` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_io-63ecb4c1d626fb41) [INFO] [stdout] [INFO] [stdout] running 30 tests [INFO] [stdout] test tests::rio_empty_recover ... ok [INFO] [stdout] test tests::rio_error ... ok [INFO] [stdout] test tests::rio_error_recover ... ok [INFO] [stdout] test tests::rio_error_recover_with ... ok [INFO] [stdout] test tests::rio_eventually_while ... ok [INFO] [stdout] test tests::rio_eventually ... ok [INFO] [stdout] test tests::rio_compose_two_programs ... ok [INFO] [stdout] test tests::rio_daemon ... ok [INFO] [stdout] test tests::rio_filter ... ok [INFO] [stdout] test tests::rio_filter_empty ... ok [INFO] [stdout] test tests::rio_flat_map ... ok [INFO] [stdout] test tests::rio_fold ... ok [INFO] [stdout] test tests::rio_fork ... ok [INFO] [stdout] test tests::rio_get_or_else ... ok [INFO] [stdout] test tests::rio_map ... ok [INFO] [stdout] test tests::rio_map_error ... ok [INFO] [stdout] test tests::rio_merge ... ok [INFO] [stdout] test tests::rio_merge_error ... ok [INFO] [stdout] test tests::rio_on_error ... ok [INFO] [stdout] test tests::rio_on_success ... ok [INFO] [stdout] test tests::rio_option_recover_with ... ok [INFO] [stdout] test tests::rio_parallel ... ok [INFO] [stdout] test tests::rio_peek ... ok [INFO] [stdout] test tests::rio_when ... ok [INFO] [stdout] test tests::rio_when_rio ... ok [INFO] [stdout] test tests::rio_zip ... ok [INFO] [stdout] test tests::rio ... ok [INFO] [stdout] test tests::rio_eventually_until ... ok [INFO] [stdout] test tests::features ... ok [INFO] [stdout] test tests::rio_delay ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rust_io [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4846ba8a408f69eaf91070158ed35d2c6cc4cbc5d973f0aac06d856ac072c71a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4846ba8a408f69eaf91070158ed35d2c6cc4cbc5d973f0aac06d856ac072c71a", kill_on_drop: false }` [INFO] [stdout] 4846ba8a408f69eaf91070158ed35d2c6cc4cbc5d973f0aac06d856ac072c71a