[INFO] fetching crate bach 0.0.2...
[INFO] checking bach-0.0.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate bach 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bach 0.0.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bach 0.0.2
[INFO] finished tweaking crates.io crate bach 0.0.2
[INFO] tweaked toml for crates.io crate bach 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f800015f10510167a2790562ec291aa69a3169761f9b0577a6c105df3343b1e6
[INFO] running `Command { std: "docker" "start" "-a" "f800015f10510167a2790562ec291aa69a3169761f9b0577a6c105df3343b1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f800015f10510167a2790562ec291aa69a3169761f9b0577a6c105df3343b1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f800015f10510167a2790562ec291aa69a3169761f9b0577a6c105df3343b1e6", kill_on_drop: false }`
[INFO] [stdout] f800015f10510167a2790562ec291aa69a3169761f9b0577a6c105df3343b1e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e992e41895ab8d2c2544859a5f119702d0c9ad0cbedca125d1ea923b9adf1fe8
[INFO] running `Command { std: "docker" "start" "-a" "e992e41895ab8d2c2544859a5f119702d0c9ad0cbedca125d1ea923b9adf1fe8", 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] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking fixedbitset v0.3.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking idmap v0.2.19
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking intrusive-collections v0.9.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nanorand v0.4.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking flume v0.9.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking bach v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bolero-generator v0.6.0
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking libtest-mimic v0.2.0
[INFO] [stderr]     Checking bolero-engine v0.6.0
[INFO] [stderr]     Checking bolero v0.6.0
[INFO] [stdout] error[E0599]: no method named `block` found for struct `executor::Executor` in the current scope
[INFO] [stdout]    --> src/graph.rs:868:18
[INFO] [stdout]     |
[INFO] [stdout] 868 |         executor.block();
[INFO] [stdout]     |                  ^^^^^ method not found in `executor::Executor<Env>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/executor.rs:43:1
[INFO] [stdout]     |
[INFO] [stdout] 43  | pub struct Executor<Environment> {
[INFO] [stdout]     | -------------------------------- method `block` not found for this
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bach` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e992e41895ab8d2c2544859a5f119702d0c9ad0cbedca125d1ea923b9adf1fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e992e41895ab8d2c2544859a5f119702d0c9ad0cbedca125d1ea923b9adf1fe8", kill_on_drop: false }`
[INFO] [stdout] e992e41895ab8d2c2544859a5f119702d0c9ad0cbedca125d1ea923b9adf1fe8