[INFO] fetching crate cid 0.8.3...
[INFO] testing cid-0.8.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate cid 0.8.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cid 0.8.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cid 0.8.3
[INFO] finished tweaking crates.io crate cid 0.8.3
[INFO] tweaked toml for crates.io crate cid 0.8.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cid 0.8.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34da5b97215f384aa29e145a36ffd529e321a242eece0d2ba2ba3e752d641ebf
[INFO] running `Command { std: "docker" "start" "-a" "34da5b97215f384aa29e145a36ffd529e321a242eece0d2ba2ba3e752d641ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34da5b97215f384aa29e145a36ffd529e321a242eece0d2ba2ba3e752d641ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34da5b97215f384aa29e145a36ffd529e321a242eece0d2ba2ba3e752d641ebf", kill_on_drop: false }`
[INFO] [stdout] 34da5b97215f384aa29e145a36ffd529e321a242eece0d2ba2ba3e752d641ebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a211574baf1b138f95790d6c7413a493335415765827ba7e716ce33ec7900bb7
[INFO] running `Command { std: "docker" "start" "-a" "a211574baf1b138f95790d6c7413a493335415765827ba7e716ce33ec7900bb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling unsigned-varint v0.7.1
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling blake2s_simd v1.0.0
[INFO] [stderr]    Compiling blake2b_simd v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.2
[INFO] [stderr]    Compiling digest v0.10.2
[INFO] [stderr]    Compiling sha2 v0.10.1
[INFO] [stderr]    Compiling sha3 v0.10.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling multihash-derive v0.8.0
[INFO] [stderr]    Compiling multihash v0.16.1
[INFO] [stderr]    Compiling cid v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.01s
[INFO] running `Command { std: "docker" "inspect" "a211574baf1b138f95790d6c7413a493335415765827ba7e716ce33ec7900bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a211574baf1b138f95790d6c7413a493335415765827ba7e716ce33ec7900bb7", kill_on_drop: false }`
[INFO] [stdout] a211574baf1b138f95790d6c7413a493335415765827ba7e716ce33ec7900bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 684d122e1a963330e121336a3db64b7b72cc1f639839e3e953dbde1330018a4b
[INFO] running `Command { std: "docker" "start" "-a" "684d122e1a963330e121336a3db64b7b72cc1f639839e3e953dbde1330018a4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling cid v0.8.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]  --> src/arb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]  --> src/arb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use quickcheck::{Arbitrary, Gen};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `quickcheck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/arb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `WeightedIndex`
[INFO] [stdout]   --> src/arb.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let dist = WeightedIndex::new(weights.iter()).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ use of undeclared type `WeightedIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cid` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "684d122e1a963330e121336a3db64b7b72cc1f639839e3e953dbde1330018a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684d122e1a963330e121336a3db64b7b72cc1f639839e3e953dbde1330018a4b", kill_on_drop: false }`
[INFO] [stdout] 684d122e1a963330e121336a3db64b7b72cc1f639839e3e953dbde1330018a4b