[INFO] fetching crate bigs 0.2.3...
[INFO] checking bigs-0.2.3 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate bigs 0.2.3 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate bigs 0.2.3 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7b2ca0813f85d4e0d70b8ec6e6b004f2f80f92106ced9adc9a52de73d87d89a
[INFO] running `Command { std: "docker" "start" "-a" "d7b2ca0813f85d4e0d70b8ec6e6b004f2f80f92106ced9adc9a52de73d87d89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b2ca0813f85d4e0d70b8ec6e6b004f2f80f92106ced9adc9a52de73d87d89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b2ca0813f85d4e0d70b8ec6e6b004f2f80f92106ced9adc9a52de73d87d89a", kill_on_drop: false }`
[INFO] [stdout] d7b2ca0813f85d4e0d70b8ec6e6b004f2f80f92106ced9adc9a52de73d87d89a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f6e4678624623e5802a8bc5c7c90efb2cd281d49d326a9411658e12dc23d765
[INFO] running `Command { std: "docker" "start" "-a" "0f6e4678624623e5802a8bc5c7c90efb2cd281d49d326a9411658e12dc23d765", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking bigs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0465]: multiple rmeta 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-c2fe7b94735a0266.rmeta
[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-d4f4b7b2d9c98437.rmeta
[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] [stderr] error: could not compile `bigs` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0f6e4678624623e5802a8bc5c7c90efb2cd281d49d326a9411658e12dc23d765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6e4678624623e5802a8bc5c7c90efb2cd281d49d326a9411658e12dc23d765", kill_on_drop: false }`
[INFO] [stdout] 0f6e4678624623e5802a8bc5c7c90efb2cd281d49d326a9411658e12dc23d765
