[INFO] fetching crate async_chanx 0.1.0-alpha.1...
[INFO] checking async_chanx-0.1.0-alpha.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate async_chanx 0.1.0-alpha.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async_chanx 0.1.0-alpha.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_chanx 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate async_chanx 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate async_chanx 0.1.0-alpha.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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 futures-test v0.3.13
[INFO] [stderr]   Downloaded async_executors v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a498fa72f2abd2fadc3f7dd7dece0b5fd27aad301674fa06ab8e6fdf9cd60816
[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" "a498fa72f2abd2fadc3f7dd7dece0b5fd27aad301674fa06ab8e6fdf9cd60816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a498fa72f2abd2fadc3f7dd7dece0b5fd27aad301674fa06ab8e6fdf9cd60816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a498fa72f2abd2fadc3f7dd7dece0b5fd27aad301674fa06ab8e6fdf9cd60816", kill_on_drop: false }`
[INFO] [stdout] a498fa72f2abd2fadc3f7dd7dece0b5fd27aad301674fa06ab8e6fdf9cd60816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c69b91577c658bff50ac1033feeb72e8fcdd529d17bf0223b2237eca73f07d7
[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" "7c69b91577c658bff50ac1033feeb72e8fcdd529d17bf0223b2237eca73f07d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling async_executors v0.3.0
[INFO] [stderr]    Compiling async_chanx v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking signal-hook v0.3.7
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking futures-test v0.3.13
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error: couldn't read benches/bounded.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/spsc.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_chanx`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7c69b91577c658bff50ac1033feeb72e8fcdd529d17bf0223b2237eca73f07d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c69b91577c658bff50ac1033feeb72e8fcdd529d17bf0223b2237eca73f07d7", kill_on_drop: false }`
[INFO] [stdout] 7c69b91577c658bff50ac1033feeb72e8fcdd529d17bf0223b2237eca73f07d7