[INFO] cloning repository https://github.com/Dreae/SourceStats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dreae/SourceStats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2FSourceStats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2FSourceStats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e8258eba492cb584d8d6be12ff7043c0e355631
[INFO] testing Dreae/SourceStats against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2FSourceStats" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dreae/SourceStats 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/Dreae/SourceStats
[INFO] finished tweaking git repo https://github.com/Dreae/SourceStats
[INFO] tweaked toml for git repo https://github.com/Dreae/SourceStats written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/Dreae/SourceStats 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] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-96/source/sourcestats_daemon/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-96/source/Cargo.toml
[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 crossbeam v0.7.1
[INFO] [stderr]   Downloaded r2d2 v0.8.3
[INFO] [stderr]   Downloaded serde_json v1.0.37
[INFO] [stderr]   Downloaded serde v1.0.85
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded rand_jitter v0.1.0
[INFO] [stderr]   Downloaded env_logger v0.6.0
[INFO] [stderr]   Downloaded notify v4.0.7
[INFO] [stderr]   Downloaded memchr v2.1.3
[INFO] [stderr]   Downloaded capnpc v0.9.3
[INFO] [stderr]   Downloaded capnp v0.9.4
[INFO] [stderr]   Downloaded diesel v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 4f17ca63e9c54d6bc2906042cc1554d2b7b5ea4d6318982fc0f0580b02649262
[INFO] running `Command { std: "docker" "start" "-a" "4f17ca63e9c54d6bc2906042cc1554d2b7b5ea4d6318982fc0f0580b02649262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f17ca63e9c54d6bc2906042cc1554d2b7b5ea4d6318982fc0f0580b02649262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f17ca63e9c54d6bc2906042cc1554d2b7b5ea4d6318982fc0f0580b02649262", kill_on_drop: false }`
[INFO] [stdout] 4f17ca63e9c54d6bc2906042cc1554d2b7b5ea4d6318982fc0f0580b02649262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] ea88d73e4ec2c2077769275e5d5aa24c63c53d412ded69e2701387cc00af2cef
[INFO] running `Command { std: "docker" "start" "-a" "ea88d73e4ec2c2077769275e5d5aa24c63c53d412ded69e2701387cc00af2cef", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/sourcestats_daemon/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling unic-common v0.7.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling unic-char-range v0.7.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling unic-char-property v0.7.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling capnp v0.9.4
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling rand v0.6.5
[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-1.0.85/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=1269c331992a0bdf -C extra-filename=-1269c331992a0bdf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg de_boxed_c_str --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero` (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" "ea88d73e4ec2c2077769275e5d5aa24c63c53d412ded69e2701387cc00af2cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea88d73e4ec2c2077769275e5d5aa24c63c53d412ded69e2701387cc00af2cef", kill_on_drop: false }`
[INFO] [stdout] ea88d73e4ec2c2077769275e5d5aa24c63c53d412ded69e2701387cc00af2cef