[INFO] cloning repository https://github.com/PhilipDaniels/dnscan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilipDaniels/dnscan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fdnscan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fdnscan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a04f52ade22cdbdec8c06e71492be5ea86da97c0
[INFO] testing PhilipDaniels/dnscan against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fdnscan" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhilipDaniels/dnscan on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PhilipDaniels/dnscan
[INFO] finished tweaking git repo https://github.com/PhilipDaniels/dnscan
[INFO] tweaked toml for git repo https://github.com/PhilipDaniels/dnscan written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/PhilipDaniels/dnscan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 strum v0.21.0
[INFO] [stderr]   Downloaded serde v1.0.91
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded unicode-normalization v0.1.19
[INFO] [stderr]   Downloaded hashbrown v0.11.2
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded cc v1.0.69
[INFO] [stderr]   Downloaded same-file v1.0.4
[INFO] [stderr]   Downloaded serde_regex v1.1.0
[INFO] [stderr]   Downloaded fixedbitset v0.4.0
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded smart-default v0.6.0
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded git2 v0.13.21
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded url v2.2.2
[INFO] [stderr]   Downloaded tinyvec v1.3.1
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded jobserver v0.1.24
[INFO] [stderr]   Downloaded petgraph v0.6.0
[INFO] [stderr]   Downloaded serde_derive v1.0.91
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded libssh2-sys v0.2.21
[INFO] [stderr]   Downloaded getch v0.2.1
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded idna v0.2.3
[INFO] [stderr]   Downloaded termion v1.5.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded indexmap v1.7.0
[INFO] [stderr]   Downloaded libc v0.2.99
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded csv v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d6345c5a43b705743ddfe29e184d610a3ae8ed3c4fbaedf2c6e5d05caf9aa94
[INFO] running `Command { std: "docker" "start" "-a" "9d6345c5a43b705743ddfe29e184d610a3ae8ed3c4fbaedf2c6e5d05caf9aa94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d6345c5a43b705743ddfe29e184d610a3ae8ed3c4fbaedf2c6e5d05caf9aa94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6345c5a43b705743ddfe29e184d610a3ae8ed3c4fbaedf2c6e5d05caf9aa94", kill_on_drop: false }`
[INFO] [stdout] 9d6345c5a43b705743ddfe29e184d610a3ae8ed3c4fbaedf2c6e5d05caf9aa94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c32a92b336add06fbd502face89325afd651fa3bf4e961ca8247f0618c548a2
[INFO] running `Command { std: "docker" "start" "-a" "0c32a92b336add06fbd502face89325afd651fa3bf4e961ca8247f0618c548a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling getch v0.2.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.74/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=2f9528aa34b640ce -C extra-filename=-2f9528aa34b640ce --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2b187afb25f696e1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1b89975272fbbc51.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0c32a92b336add06fbd502face89325afd651fa3bf4e961ca8247f0618c548a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c32a92b336add06fbd502face89325afd651fa3bf4e961ca8247f0618c548a2", kill_on_drop: false }`
[INFO] [stdout] 0c32a92b336add06fbd502face89325afd651fa3bf4e961ca8247f0618c548a2