[INFO] fetching crate bach 0.0.2...
[INFO] testing bach-0.0.2 against 1.59.0 for beta-1.60-1
[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 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd0b44443e19bc12bcf9026e290b34b30807d81ef85f13a4206f1811d173b735
[INFO] running `Command { std: "docker" "start" "-a" "fd0b44443e19bc12bcf9026e290b34b30807d81ef85f13a4206f1811d173b735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0b44443e19bc12bcf9026e290b34b30807d81ef85f13a4206f1811d173b735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0b44443e19bc12bcf9026e290b34b30807d81ef85f13a4206f1811d173b735", kill_on_drop: false }`
[INFO] [stdout] fd0b44443e19bc12bcf9026e290b34b30807d81ef85f13a4206f1811d173b735
[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=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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d405746260a8d15c207ee82c54c17b1287d63230bb5791befeb561fe8511d65
[INFO] running `Command { std: "docker" "start" "-a" "0d405746260a8d15c207ee82c54c17b1287d63230bb5791befeb561fe8511d65", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling async-task v4.1.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling idmap v0.2.21
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling intrusive-collections v0.9.3
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling nanorand v0.4.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling flume v0.9.2
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]    Compiling arr_macro v0.1.3
[INFO] [stderr]    Compiling bach v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "0d405746260a8d15c207ee82c54c17b1287d63230bb5791befeb561fe8511d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d405746260a8d15c207ee82c54c17b1287d63230bb5791befeb561fe8511d65", kill_on_drop: false }`
[INFO] [stdout] 0d405746260a8d15c207ee82c54c17b1287d63230bb5791befeb561fe8511d65
[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=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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e21819e19a6748d2c6f382167cd80d91a41f3aedd5acd617df9e7a581e53ec1
[INFO] running `Command { std: "docker" "start" "-a" "7e21819e19a6748d2c6f382167cd80d91a41f3aedd5acd617df9e7a581e53ec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling bolero-generator v0.6.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling libtest-mimic v0.3.0
[INFO] [stderr]    Compiling bolero-engine v0.6.2
[INFO] [stderr]    Compiling bolero v0.6.2
[INFO] [stderr]    Compiling bach v0.0.2 (/opt/rustwide/workdir)
[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" "7e21819e19a6748d2c6f382167cd80d91a41f3aedd5acd617df9e7a581e53ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e21819e19a6748d2c6f382167cd80d91a41f3aedd5acd617df9e7a581e53ec1", kill_on_drop: false }`
[INFO] [stdout] 7e21819e19a6748d2c6f382167cd80d91a41f3aedd5acd617df9e7a581e53ec1