[INFO] fetching crate bach 0.0.2...
[INFO] checking bach-0.0.2 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate bach 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bach 0.0.2 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bolero-libfuzzer v0.6.0
[INFO] [stderr]   Downloaded bolero v0.6.0
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] [stderr]   Downloaded intrusive-collections v0.9.2
[INFO] [stderr]   Downloaded bolero-afl v0.6.0
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded bolero-honggfuzz v0.6.0
[INFO] [stderr]   Downloaded bolero-engine v0.6.0
[INFO] [stderr]   Downloaded nanorand v0.4.4
[INFO] [stderr]   Downloaded bolero-generator-derive v0.6.1
[INFO] [stderr]   Downloaded bolero-generator v0.6.0
[INFO] [stderr]   Downloaded libtest-mimic v0.2.0
[INFO] [stderr]   Downloaded idmap v0.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 516d1a11dc823397bd0454f3636864b1397b06eaacfdfe0b6499294938b1db05
[INFO] running `Command { std: "docker" "start" "-a" "516d1a11dc823397bd0454f3636864b1397b06eaacfdfe0b6499294938b1db05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "516d1a11dc823397bd0454f3636864b1397b06eaacfdfe0b6499294938b1db05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516d1a11dc823397bd0454f3636864b1397b06eaacfdfe0b6499294938b1db05", kill_on_drop: false }`
[INFO] [stdout] 516d1a11dc823397bd0454f3636864b1397b06eaacfdfe0b6499294938b1db05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0485dfdb83085225c8d1f7fa7e3bc97df937ec1fe798abfa34a30b72395706d
[INFO] running `Command { std: "docker" "start" "-a" "c0485dfdb83085225c8d1f7fa7e3bc97df937ec1fe798abfa34a30b72395706d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking fixedbitset v0.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.1
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking idmap v0.2.19
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking intrusive-collections v0.9.2
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nanorand v0.4.4
[INFO] [stderr]     Checking flume v0.9.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking bolero-generator v0.6.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking bach v0.0.2 (/opt/rustwide/workdir)
[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" "c0485dfdb83085225c8d1f7fa7e3bc97df937ec1fe798abfa34a30b72395706d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0485dfdb83085225c8d1f7fa7e3bc97df937ec1fe798abfa34a30b72395706d", kill_on_drop: false }`
[INFO] [stdout] c0485dfdb83085225c8d1f7fa7e3bc97df937ec1fe798abfa34a30b72395706d