[INFO] fetching crate bigs 0.2.3... [INFO] testing bigs-0.2.3 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate bigs 0.2.3 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate bigs 0.2.3 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bigs 0.2.3 [INFO] finished tweaking crates.io crate bigs 0.2.3 [INFO] tweaked toml for crates.io crate bigs 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7df03030526cc9cb5ae3347d8771952ba6779295554ae0b2417c836a4b0c9ffd [INFO] running `Command { std: "docker" "start" "-a" "7df03030526cc9cb5ae3347d8771952ba6779295554ae0b2417c836a4b0c9ffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7df03030526cc9cb5ae3347d8771952ba6779295554ae0b2417c836a4b0c9ffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7df03030526cc9cb5ae3347d8771952ba6779295554ae0b2417c836a4b0c9ffd", kill_on_drop: false }` [INFO] [stdout] 7df03030526cc9cb5ae3347d8771952ba6779295554ae0b2417c836a4b0c9ffd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c05ab546a58699857aacc66704a0db912eed6c30646539e6d87a04cce1f8edf3 [INFO] running `Command { std: "docker" "start" "-a" "c05ab546a58699857aacc66704a0db912eed6c30646539e6d87a04cce1f8edf3", kill_on_drop: false }` [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling bigs v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.03s [INFO] running `Command { std: "docker" "inspect" "c05ab546a58699857aacc66704a0db912eed6c30646539e6d87a04cce1f8edf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c05ab546a58699857aacc66704a0db912eed6c30646539e6d87a04cce1f8edf3", kill_on_drop: false }` [INFO] [stdout] c05ab546a58699857aacc66704a0db912eed6c30646539e6d87a04cce1f8edf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62401414b1296c253390a93b6ab7b3d73b2b07a705497f352a8fa5c7b9de5c0f [INFO] running `Command { std: "docker" "start" "-a" "62401414b1296c253390a93b6ab7b3d73b2b07a705497f352a8fa5c7b9de5c0f", kill_on_drop: false }` [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling bigs v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0465]: multiple rlib candidates for `rand` found [INFO] [stdout] --> src/sampler.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: candidate #1: /opt/rustwide/target/debug/deps/librand-67241b210918a8fb.rlib [INFO] [stdout] --> src/sampler.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^ [INFO] [stdout] note: candidate #2: /opt/rustwide/target/debug/deps/librand-7934eb67215efc6b.rlib [INFO] [stdout] --> src/sampler.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `rand::rngs::SmallRng` [INFO] [stdout] --> tests/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::rngs::SmallRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ no `SmallRng` in `rngs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SeedableRng` [INFO] [stdout] --> tests/main.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{thread_rng, Rng, SeedableRng}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bigs` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "62401414b1296c253390a93b6ab7b3d73b2b07a705497f352a8fa5c7b9de5c0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62401414b1296c253390a93b6ab7b3d73b2b07a705497f352a8fa5c7b9de5c0f", kill_on_drop: false }` [INFO] [stdout] 62401414b1296c253390a93b6ab7b3d73b2b07a705497f352a8fa5c7b9de5c0f