[INFO] cloning repository https://github.com/mjs2600/hn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjs2600/hn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjs2600%2Fhn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjs2600%2Fhn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de74921e34d73fb1fe34bc3c5448bc8d7143351e
[INFO] checking mjs2600/hn against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjs2600%2Fhn" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mjs2600/hn on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mjs2600/hn
[INFO] finished tweaking git repo https://github.com/mjs2600/hn
[INFO] tweaked toml for git repo https://github.com/mjs2600/hn written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/mjs2600/hn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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 string_cache v0.8.1
[INFO] [stderr]   Downloaded derive_more v0.99.11
[INFO] [stderr]   Downloaded security-framework-sys v0.4.1
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded security-framework v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25dca5cd26f8e1d69f7ad0aea7b3e03a2b16be369b918cb0d821e3508a7c567a
[INFO] running `Command { std: "docker" "start" "-a" "25dca5cd26f8e1d69f7ad0aea7b3e03a2b16be369b918cb0d821e3508a7c567a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25dca5cd26f8e1d69f7ad0aea7b3e03a2b16be369b918cb0d821e3508a7c567a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25dca5cd26f8e1d69f7ad0aea7b3e03a2b16be369b918cb0d821e3508a7c567a", kill_on_drop: false }`
[INFO] [stdout] 25dca5cd26f8e1d69f7ad0aea7b3e03a2b16be369b918cb0d821e3508a7c567a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a92c20d5c56fecdd905df3f66028f3077f483752ea9b08b62e2033d166ecc9
[INFO] running `Command { std: "docker" "start" "-a" "e8a92c20d5c56fecdd905df3f66028f3077f483752ea9b08b62e2033d166ecc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[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-1.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=2d34cf4887d5bd55 -C extra-filename=-2d34cf4887d5bd55 --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] running `Command { std: "docker" "inspect" "e8a92c20d5c56fecdd905df3f66028f3077f483752ea9b08b62e2033d166ecc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a92c20d5c56fecdd905df3f66028f3077f483752ea9b08b62e2033d166ecc9", kill_on_drop: false }`
[INFO] [stdout] e8a92c20d5c56fecdd905df3f66028f3077f483752ea9b08b62e2033d166ecc9