[INFO] cloning repository https://github.com/roblabla/cargo-travis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roblabla/cargo-travis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fcargo-travis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fcargo-travis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58ad269a9acc2c25d286f3910be6e13fd7ec0a18
[INFO] testing roblabla/cargo-travis against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fcargo-travis" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roblabla/cargo-travis on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roblabla/cargo-travis
[INFO] finished tweaking git repo https://github.com/roblabla/cargo-travis
[INFO] tweaked toml for git repo https://github.com/roblabla/cargo-travis written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/roblabla/cargo-travis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 fuchsia-zircon-sys v0.3.2
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.46
[INFO] [stderr]   Downloaded tar v0.4.20
[INFO] [stderr]   Downloaded home v0.3.0
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded git2-curl v0.8.2
[INFO] [stderr]   Downloaded bytesize v1.0.0
[INFO] [stderr]   Downloaded scopeguard v0.1.2
[INFO] [stderr]   Downloaded ignore v0.4.3
[INFO] [stderr]   Downloaded url v1.6.0
[INFO] [stderr]   Downloaded crc32fast v1.1.2
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded curl v0.4.19
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.2
[INFO] [stderr]   Downloaded flate2 v1.0.6
[INFO] [stderr]   Downloaded schannel v0.1.14
[INFO] [stderr]   Downloaded crypto-hash v0.3.3
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded userenv-sys v0.2.0
[INFO] [stderr]   Downloaded globset v0.4.1
[INFO] [stderr]   Downloaded libssh2-sys v0.2.11
[INFO] [stderr]   Downloaded openssl v0.10.16
[INFO] [stderr]   Downloaded git2 v0.7.5
[INFO] [stderr]   Downloaded opener v0.3.2
[INFO] [stderr]   Downloaded fs2 v0.4.2
[INFO] [stderr]   Downloaded syn v0.15.24
[INFO] [stderr]   Downloaded fwdansi v1.0.1
[INFO] [stderr]   Downloaded crates-io v0.20.0
[INFO] [stderr]   Downloaded jobserver v0.1.12
[INFO] [stderr]   Downloaded rustfix v0.4.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.40
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] [stderr]   Downloaded filetime v0.2.4
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] [stderr]   Downloaded serde_ignored v0.0.4
[INFO] [stderr]   Downloaded shell-escape v0.1.4
[INFO] [stderr]   Downloaded cargo v0.32.0
[INFO] [stderr]   Downloaded libgit2-sys v0.7.11
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.1
[INFO] [stderr]   Downloaded curl-sys v0.4.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3502fb6a27dab84d5a968f06b0d830838f65bb1fa2ec5cfbf3ab67ce52bba69
[INFO] running `Command { std: "docker" "start" "-a" "a3502fb6a27dab84d5a968f06b0d830838f65bb1fa2ec5cfbf3ab67ce52bba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3502fb6a27dab84d5a968f06b0d830838f65bb1fa2ec5cfbf3ab67ce52bba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3502fb6a27dab84d5a968f06b0d830838f65bb1fa2ec5cfbf3ab67ce52bba69", kill_on_drop: false }`
[INFO] [stdout] a3502fb6a27dab84d5a968f06b0d830838f65bb1fa2ec5cfbf3ab67ce52bba69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0398bd007db86f880fb4e36906821ec4ec063cc762adcc665c6db1b1e54c92ab
[INFO] running `Command { std: "docker" "start" "-a" "0398bd007db86f880fb4e36906821ec4ec063cc762adcc665c6db1b1e54c92ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling home v0.3.0
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling stb_truetype v0.2.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=edd129336ec4f473 -C extra-filename=-edd129336ec4f473 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-62dbd446f759589c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-41663558c421d19d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-09e70e8bcc039b17.rmeta --cap-lints allow --cap-lints=warn` (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" "0398bd007db86f880fb4e36906821ec4ec063cc762adcc665c6db1b1e54c92ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0398bd007db86f880fb4e36906821ec4ec063cc762adcc665c6db1b1e54c92ab", kill_on_drop: false }`
[INFO] [stdout] 0398bd007db86f880fb4e36906821ec4ec063cc762adcc665c6db1b1e54c92ab