[INFO] fetching crate lexical-write-float 0.8.0...
[INFO] testing lexical-write-float-0.8.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate lexical-write-float 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lexical-write-float 0.8.0 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 lexical-write-float 0.8.0
[INFO] finished tweaking crates.io crate lexical-write-float 0.8.0
[INFO] tweaked toml for crates.io crate lexical-write-float 0.8.0 written to /workspace/builds/worker-3/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]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.5.0
[INFO] [stderr]   Downloaded fraction v0.8.0
[INFO] [stderr]   Downloaded lexical-write-integer v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 882dcf2dc85652d8911b303affb220f65ecb5786eea5c6e30bad3f82581b734b
[INFO] running `Command { std: "docker" "start" "-a" "882dcf2dc85652d8911b303affb220f65ecb5786eea5c6e30bad3f82581b734b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "882dcf2dc85652d8911b303affb220f65ecb5786eea5c6e30bad3f82581b734b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882dcf2dc85652d8911b303affb220f65ecb5786eea5c6e30bad3f82581b734b", kill_on_drop: false }`
[INFO] [stdout] 882dcf2dc85652d8911b303affb220f65ecb5786eea5c6e30bad3f82581b734b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2bbdc11803abc359a166b6c71f419d1c52bd07f036d73782ec79511addb4e17e
[INFO] running `Command { std: "docker" "start" "-a" "2bbdc11803abc359a166b6c71f419d1c52bd07f036d73782ec79511addb4e17e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-util v0.8.1
[INFO] [stderr]    Compiling lexical-write-integer v0.8.0
[INFO] [stderr]    Compiling lexical-write-float v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "2bbdc11803abc359a166b6c71f419d1c52bd07f036d73782ec79511addb4e17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbdc11803abc359a166b6c71f419d1c52bd07f036d73782ec79511addb4e17e", kill_on_drop: false }`
[INFO] [stdout] 2bbdc11803abc359a166b6c71f419d1c52bd07f036d73782ec79511addb4e17e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e9d57263e13fd04d3e8cfdce3d318fad006ff4e3f50245b4fceebd99342c42e2
[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" "e9d57263e13fd04d3e8cfdce3d318fad006ff4e3f50245b4fceebd99342c42e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling fraction v0.8.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling lexical-write-float v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]   --> tests/algorithm_tests.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use quickcheck::quickcheck;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `quickcheck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `quickcheck`
[INFO] [stdout]    --> tests/algorithm_tests.rs:694:1
[INFO] [stdout]     |
[INFO] [stdout] 694 | quickcheck! {
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexical-write-float` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]  --> tests/api_tests.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use quickcheck::quickcheck;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `quickcheck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `quickcheck`
[INFO] [stdout]   --> tests/api_tests.rs:87:1
[INFO] [stdout]    |
[INFO] [stdout] 87 | quickcheck! {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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" "e9d57263e13fd04d3e8cfdce3d318fad006ff4e3f50245b4fceebd99342c42e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d57263e13fd04d3e8cfdce3d318fad006ff4e3f50245b4fceebd99342c42e2", kill_on_drop: false }`
[INFO] [stdout] e9d57263e13fd04d3e8cfdce3d318fad006ff4e3f50245b4fceebd99342c42e2