[INFO] fetching crate message_db 0.0.8...
[INFO] checking message_db-0.0.8 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate message_db 0.0.8 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate message_db 0.0.8 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate message_db 0.0.8
[INFO] finished tweaking crates.io crate message_db 0.0.8
[INFO] tweaked toml for crates.io crate message_db 0.0.8 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 sqlx-macros v0.5.5
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded whoami v1.1.2
[INFO] [stderr]   Downloaded dotenv v0.15.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded sqlformat v0.1.6
[INFO] [stderr]   Downloaded atoi v0.4.0
[INFO] [stderr]   Downloaded hashlink v0.7.0
[INFO] [stderr]   Downloaded unicode_categories v0.1.1
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded sqlx v0.5.5
[INFO] [stderr]   Downloaded sqlx-rt v0.5.5
[INFO] [stderr]   Downloaded sqlx-core v0.5.5
[INFO] [stderr]   Downloaded test-context-macros v0.1.1
[INFO] [stderr]   Downloaded test-context v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ea535376d634e9683590aeaf980e06f28de408a2001c7c23344947da77eaa3f
[INFO] running `Command { std: "docker" "start" "-a" "4ea535376d634e9683590aeaf980e06f28de408a2001c7c23344947da77eaa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ea535376d634e9683590aeaf980e06f28de408a2001c7c23344947da77eaa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea535376d634e9683590aeaf980e06f28de408a2001c7c23344947da77eaa3f", kill_on_drop: false }`
[INFO] [stdout] 4ea535376d634e9683590aeaf980e06f28de408a2001c7c23344947da77eaa3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01caaae2bc0f853341ea59d98a8fadbab8585a9ac6cec418f5a917379332ef3c
[INFO] running `Command { std: "docker" "start" "-a" "01caaae2bc0f853341ea59d98a8fadbab8585a9ac6cec418f5a917379332ef3c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling test-context-macros v0.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling atoi v0.4.0
[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-1.0.127/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="derive"' --cfg 'feature="rc"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=2da3bbdfefe96a8a -C extra-filename=-2da3bbdfefe96a8a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-657a6f84d17c4e55.so --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 serde_derive --cfg core_try_from --cfg num_nonzero_signed --cfg systemtime_checked_add --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" "01caaae2bc0f853341ea59d98a8fadbab8585a9ac6cec418f5a917379332ef3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01caaae2bc0f853341ea59d98a8fadbab8585a9ac6cec418f5a917379332ef3c", kill_on_drop: false }`
[INFO] [stdout] 01caaae2bc0f853341ea59d98a8fadbab8585a9ac6cec418f5a917379332ef3c