[INFO] fetching crate async_ach-mpmc 0.1.3...
[INFO] checking async_ach-mpmc-0.1.3 against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] extracting crate async_ach-mpmc 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate async_ach-mpmc 0.1.3
[INFO] finished tweaking crates.io crate async_ach-mpmc 0.1.3
[INFO] tweaked toml for crates.io crate async_ach-mpmc 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async_ach-mpmc 0.1.3 on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b5f2217d272db5cb31bd0c11e9d58a6b3faf683c724b6a4e14c97ec5fae77a2
[INFO] running `Command { std: "docker" "start" "-a" "3b5f2217d272db5cb31bd0c11e9d58a6b3faf683c724b6a4e14c97ec5fae77a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b5f2217d272db5cb31bd0c11e9d58a6b3faf683c724b6a4e14c97ec5fae77a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5f2217d272db5cb31bd0c11e9d58a6b3faf683c724b6a4e14c97ec5fae77a2", kill_on_drop: false }`
[INFO] [stdout] 3b5f2217d272db5cb31bd0c11e9d58a6b3faf683c724b6a4e14c97ec5fae77a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08a192443005e92f21e12125fb8b63c7d963a49052430d334fe824220fa527cd
[INFO] running `Command { std: "docker" "start" "-a" "08a192443005e92f21e12125fb8b63c7d963a49052430d334fe824220fa527cd", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking interrupt v0.1.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking ach-util v0.1.16
[INFO] [stderr]     Checking ach-cell v0.1.17
[INFO] [stderr]     Checking ach-option v0.1.0
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking ach-array v0.1.8
[INFO] [stderr]     Checking ach-linked v0.2.2
[INFO] [stderr] error: could not compile `ach-linked` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/804fff1ae95da9d03bd44eee27f258020a575dab/bin/rustc --crate-name ach_linked --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ach-linked-0.2.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=68a8176ac2cc62eb -C extra-filename=-3daa5d00de125780 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ach_cell=/opt/rustwide/target/debug/deps/libach_cell-a309fac7d5f16063.rmeta --extern util=/opt/rustwide/target/debug/deps/libach_util-7f19f89fbc6531f6.rmeta --extern spin_loop=/opt/rustwide/target/debug/deps/libspin_loop-0e73f280fabaf18a.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "08a192443005e92f21e12125fb8b63c7d963a49052430d334fe824220fa527cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a192443005e92f21e12125fb8b63c7d963a49052430d334fe824220fa527cd", kill_on_drop: false }`
[INFO] [stdout] 08a192443005e92f21e12125fb8b63c7d963a49052430d334fe824220fa527cd