[INFO] fetching crate dutree 0.2.18...
[INFO] checking dutree-0.2.18 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate dutree 0.2.18 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate dutree 0.2.18
[INFO] finished tweaking crates.io crate dutree 0.2.18
[INFO] tweaked toml for crates.io crate dutree 0.2.18 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dutree 0.2.18 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dutree 0.2.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86f33e8ef71e2df49ecce980d1ea4973304e5239c117ab6c00074820aba11402
[INFO] running `Command { std: "docker" "start" "-a" "86f33e8ef71e2df49ecce980d1ea4973304e5239c117ab6c00074820aba11402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f33e8ef71e2df49ecce980d1ea4973304e5239c117ab6c00074820aba11402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f33e8ef71e2df49ecce980d1ea4973304e5239c117ab6c00074820aba11402", kill_on_drop: false }`
[INFO] [stdout] 86f33e8ef71e2df49ecce980d1ea4973304e5239c117ab6c00074820aba11402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 681283f39b6d5ade82e383a5275a665d31356513d889063aa641b6eb9bbb37c6
[INFO] running `Command { std: "docker" "start" "-a" "681283f39b6d5ade82e383a5275a665d31356513d889063aa641b6eb9bbb37c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr] error: could not compile `signal-hook` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/bin/rustc --crate-name signal_hook --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/signal-hook-0.1.16/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("futures", "mio", "mio-0_7-support", "mio-support", "mio_0_7", "tokio-reactor", "tokio-support"))' -C metadata=aec2629eb8ec97f9 -C extra-filename=-6baffaa83cbe8e5b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-7f8652aa8c1e8bf1.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-40606ab8f9fcd0e2.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" "681283f39b6d5ade82e383a5275a665d31356513d889063aa641b6eb9bbb37c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681283f39b6d5ade82e383a5275a665d31356513d889063aa641b6eb9bbb37c6", kill_on_drop: false }`
[INFO] [stdout] 681283f39b6d5ade82e383a5275a665d31356513d889063aa641b6eb9bbb37c6