[INFO] cloning repository https://github.com/project-demeter/panel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/project-demeter/panel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproject-demeter%2Fpanel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproject-demeter%2Fpanel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 778719d504729d159b1a4d93719f1a40f9546f1f
[INFO] checking project-demeter/panel against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproject-demeter%2Fpanel" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/project-demeter/panel on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/project-demeter/panel
[INFO] finished tweaking git repo https://github.com/project-demeter/panel
[INFO] tweaked toml for git repo https://github.com/project-demeter/panel written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/project-demeter/panel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d6338a2490e16b480411290b65e05e5432d4ff028a6f931dbf38d1b49922325
[INFO] running `Command { std: "docker" "start" "-a" "7d6338a2490e16b480411290b65e05e5432d4ff028a6f931dbf38d1b49922325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d6338a2490e16b480411290b65e05e5432d4ff028a6f931dbf38d1b49922325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6338a2490e16b480411290b65e05e5432d4ff028a6f931dbf38d1b49922325", kill_on_drop: false }`
[INFO] [stdout] 7d6338a2490e16b480411290b65e05e5432d4ff028a6f931dbf38d1b49922325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad0afe6c17e0864a5195590b5fbcf6322cbf3309123e8e22974c162ab6f52ef6
[INFO] running `Command { std: "docker" "start" "-a" "ad0afe6c17e0864a5195590b5fbcf6322cbf3309123e8e22974c162ab6f52ef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling rocket_contrib_codegen v0.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.9
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[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-1.0.102/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="default"' --cfg 'feature="std"' -C metadata=418d00264c86221c -C extra-filename=-418d00264c86221c --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 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" "ad0afe6c17e0864a5195590b5fbcf6322cbf3309123e8e22974c162ab6f52ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0afe6c17e0864a5195590b5fbcf6322cbf3309123e8e22974c162ab6f52ef6", kill_on_drop: false }`
[INFO] [stdout] ad0afe6c17e0864a5195590b5fbcf6322cbf3309123e8e22974c162ab6f52ef6