[INFO] fetching crate web-bundler 0.1.2...
[INFO] checking web-bundler-0.1.2 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate web-bundler 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate web-bundler 0.1.2 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web-bundler 0.1.2
[INFO] finished tweaking crates.io crate web-bundler 0.1.2
[INFO] tweaked toml for crates.io crate web-bundler 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globwalk v0.8.1
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded chrono-tz v0.5.3
[INFO] [stderr]   Downloaded tera v1.6.1
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d5eb0ab9a010a967e10ab8aaec6013453f8c42e3ac616bda15e9313f2766679
[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" "8d5eb0ab9a010a967e10ab8aaec6013453f8c42e3ac616bda15e9313f2766679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5eb0ab9a010a967e10ab8aaec6013453f8c42e3ac616bda15e9313f2766679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5eb0ab9a010a967e10ab8aaec6013453f8c42e3ac616bda15e9313f2766679", kill_on_drop: false }`
[INFO] [stdout] 8d5eb0ab9a010a967e10ab8aaec6013453f8c42e3ac616bda15e9313f2766679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22557fd76d1c79eb932c07fa35b640391c1db74421ad0c0f24cbc9992934d576
[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" "22557fd76d1c79eb932c07fa35b640391c1db74421ad0c0f24cbc9992934d576", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking anyhow v1.0.38
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling sass-sys v0.4.21
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.123/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=ec3c9263d9eadacf -C extra-filename=-ec3c9263d9eadacf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg serde_derive --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (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" "22557fd76d1c79eb932c07fa35b640391c1db74421ad0c0f24cbc9992934d576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22557fd76d1c79eb932c07fa35b640391c1db74421ad0c0f24cbc9992934d576", kill_on_drop: false }`
[INFO] [stdout] 22557fd76d1c79eb932c07fa35b640391c1db74421ad0c0f24cbc9992934d576