[INFO] cloning repository https://github.com/John361/rust_json_mongo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/John361/rust_json_mongo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn361%2Frust_json_mongo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn361%2Frust_json_mongo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2f5aef29016259de54a9651113f3e1a2bbda329
[INFO] testing John361/rust_json_mongo against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn361%2Frust_json_mongo" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/John361/rust_json_mongo on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/John361/rust_json_mongo
[INFO] finished tweaking git repo https://github.com/John361/rust_json_mongo
[INFO] tweaked toml for git repo https://github.com/John361/rust_json_mongo written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/John361/rust_json_mongo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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 tokio-rustls v0.13.1
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded mongodb v1.2.0
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded typed-builder v0.4.1
[INFO] [stderr]   Downloaded nb-connect v1.1.0
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded vec-arena v1.1.0
[INFO] [stderr]   Downloaded md-5 v0.8.0
[INFO] [stderr]   Downloaded serde_with v1.7.0
[INFO] [stderr]   Downloaded bson v1.2.0
[INFO] [stderr]   Downloaded os_info v3.0.1
[INFO] [stderr]   Downloaded serde_with_macros v1.4.1
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1406e4bb9da77dd006a3440e2dd2aab570fa1c8504963ea1698a3d1dd950396d
[INFO] running `Command { std: "docker" "start" "-a" "1406e4bb9da77dd006a3440e2dd2aab570fa1c8504963ea1698a3d1dd950396d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1406e4bb9da77dd006a3440e2dd2aab570fa1c8504963ea1698a3d1dd950396d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1406e4bb9da77dd006a3440e2dd2aab570fa1c8504963ea1698a3d1dd950396d", kill_on_drop: false }`
[INFO] [stdout] 1406e4bb9da77dd006a3440e2dd2aab570fa1c8504963ea1698a3d1dd950396d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160c98a468753a776c062ea5689e854a2581cb27014b546670bb63a899b15891
[INFO] running `Command { std: "docker" "start" "-a" "160c98a468753a776c062ea5689e854a2581cb27014b546670bb63a899b15891", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling vec-arena v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.67/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 -C metadata=179828e65b0b359f -C extra-filename=-179828e65b0b359f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bytes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bytes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.5.6/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=522c9d77a2dcfe3d -C extra-filename=-522c9d77a2dcfe3d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="indexmap"' --cfg 'feature="preserve_order"' --cfg 'feature="std"' -C metadata=a4eb9adeece9e486 -C extra-filename=-a4eb9adeece9e486 --out-dir /opt/rustwide/target/debug/build/serde_json-a4eb9adeece9e486 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.23.0/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="read"' -C metadata=f3357c062beaed2c -C extra-filename=-f3357c062beaed2c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.23.0/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="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=22e3b70a591374ca -C extra-filename=-22e3b70a591374ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `fastrand`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name fastrand --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fastrand-1.4.0/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 -C metadata=00aaf9f17582410f -C extra-filename=-00aaf9f17582410f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.11.0/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=4a3ec7ac552c3891 -C extra-filename=-4a3ec7ac552c3891 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `strsim`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name strsim /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strsim-0.10.0/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 -C metadata=4e9d0b184b9a2988 -C extra-filename=-4e9d0b184b9a2988 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.12.3/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=c3d2f141e9aa644a -C extra-filename=-c3d2f141e9aa644a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "160c98a468753a776c062ea5689e854a2581cb27014b546670bb63a899b15891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160c98a468753a776c062ea5689e854a2581cb27014b546670bb63a899b15891", kill_on_drop: false }`
[INFO] [stdout] 160c98a468753a776c062ea5689e854a2581cb27014b546670bb63a899b15891