[INFO] fetching crate gitforge 0.2.0...
[INFO] checking gitforge-0.2.0 against try#846ec3a7f9ef4a204b2166da3cfc71f4885a5be5 for pr-98000
[INFO] extracting crate gitforge 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gitforge 0.2.0 on toolchain 846ec3a7f9ef4a204b2166da3cfc71f4885a5be5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gitforge 0.2.0
[INFO] finished tweaking crates.io crate gitforge 0.2.0
[INFO] tweaked toml for crates.io crate gitforge 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate gitforge 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14cc64377a76944a3ae0d9ed22f79b22e9149ec339a515e7ebff897aa0b5467b
[INFO] running `Command { std: "docker" "start" "-a" "14cc64377a76944a3ae0d9ed22f79b22e9149ec339a515e7ebff897aa0b5467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14cc64377a76944a3ae0d9ed22f79b22e9149ec339a515e7ebff897aa0b5467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cc64377a76944a3ae0d9ed22f79b22e9149ec339a515e7ebff897aa0b5467b", kill_on_drop: false }`
[INFO] [stdout] 14cc64377a76944a3ae0d9ed22f79b22e9149ec339a515e7ebff897aa0b5467b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21c607b78ad305d1092e70fa3584c5edceb2a5436c036af2f71e09b0934d18e
[INFO] running `Command { std: "docker" "start" "-a" "b21c607b78ad305d1092e70fa3584c5edceb2a5436c036af2f71e09b0934d18e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling hyperx v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking arc-swap v1.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tokio v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.126/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=e905899914a3e7b2 -C extra-filename=-e905899914a3e7b2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c22f143857bd0eb1.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-b999afa71eb18cfa.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-d58bec26e74230d2.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b21c607b78ad305d1092e70fa3584c5edceb2a5436c036af2f71e09b0934d18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21c607b78ad305d1092e70fa3584c5edceb2a5436c036af2f71e09b0934d18e", kill_on_drop: false }`
[INFO] [stdout] b21c607b78ad305d1092e70fa3584c5edceb2a5436c036af2f71e09b0934d18e