[INFO] fetching crate hashbrown_tstd 0.7.1...
[INFO] testing hashbrown_tstd-0.7.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hashbrown_tstd 0.7.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hashbrown_tstd 0.7.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashbrown_tstd 0.7.1
[INFO] finished tweaking crates.io crate hashbrown_tstd 0.7.1
[INFO] tweaked toml for crates.io crate hashbrown_tstd 0.7.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5ea39a40fa21d4e4d7d4af60c935ff6ea1b5598efc6ca4eafa97f00546928df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5ea39a40fa21d4e4d7d4af60c935ff6ea1b5598efc6ca4eafa97f00546928df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ea39a40fa21d4e4d7d4af60c935ff6ea1b5598efc6ca4eafa97f00546928df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ea39a40fa21d4e4d7d4af60c935ff6ea1b5598efc6ca4eafa97f00546928df", kill_on_drop: false }`
[INFO] [stdout] c5ea39a40fa21d4e4d7d4af60c935ff6ea1b5598efc6ca4eafa97f00546928df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6019f8f8aa17339c3482ab7d9243205360566f19383a4d3b85cbe004b69638f4
[INFO] running `Command { std: "docker" "start" "-a" "6019f8f8aa17339c3482ab7d9243205360566f19383a4d3b85cbe004b69638f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown_tstd v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "6019f8f8aa17339c3482ab7d9243205360566f19383a4d3b85cbe004b69638f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6019f8f8aa17339c3482ab7d9243205360566f19383a4d3b85cbe004b69638f4", kill_on_drop: false }`
[INFO] [stdout] 6019f8f8aa17339c3482ab7d9243205360566f19383a4d3b85cbe004b69638f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2794731878ccfbc7766acbed10ce6371d67584d272646c786395532260a93954
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2794731878ccfbc7766acbed10ce6371d67584d272646c786395532260a93954", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling hashbrown_tstd v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hashbrown`
[INFO] [stdout]  --> tests/set.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashbrown::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `hashbrown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hashbrown`
[INFO] [stdout]  --> tests/hasher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hashbrown::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `hashbrown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `hashbrown`
[INFO] [stdout]   --> tests/hasher.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     check::<hashbrown::hash_map::DefaultHashBuilder>();
[INFO] [stdout]    |             ^^^^^^^^^ use of undeclared crate or module `hashbrown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashbrown_tstd`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 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: build failed
[INFO] running `Command { std: "docker" "inspect" "2794731878ccfbc7766acbed10ce6371d67584d272646c786395532260a93954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2794731878ccfbc7766acbed10ce6371d67584d272646c786395532260a93954", kill_on_drop: false }`
[INFO] [stdout] 2794731878ccfbc7766acbed10ce6371d67584d272646c786395532260a93954