[INFO] fetching crate preexplorer 0.4.1...
[INFO] testing preexplorer-0.4.1 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] extracting crate preexplorer 0.4.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate preexplorer 0.4.1 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 crates.io crate preexplorer 0.4.1
[INFO] finished tweaking crates.io crate preexplorer 0.4.1
[INFO] tweaked toml for crates.io crate preexplorer 0.4.1 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate preexplorer 0.4.1 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 average v0.10.6
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 11ba972c5b96a622916f28407e656d7f51368dc3e86419fed14ca93a1ffc1a86
[INFO] running `Command { std: "docker" "start" "-a" "11ba972c5b96a622916f28407e656d7f51368dc3e86419fed14ca93a1ffc1a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11ba972c5b96a622916f28407e656d7f51368dc3e86419fed14ca93a1ffc1a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ba972c5b96a622916f28407e656d7f51368dc3e86419fed14ca93a1ffc1a86", kill_on_drop: false }`
[INFO] [stdout] 11ba972c5b96a622916f28407e656d7f51368dc3e86419fed14ca93a1ffc1a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] d50a616cfb720326a81577befb63c4ca450eed9087c00b59d2537b3c49c1bc95
[INFO] running `Command { std: "docker" "start" "-a" "d50a616cfb720326a81577befb63c4ca450eed9087c00b59d2537b3c49c1bc95", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling average v0.10.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling preexplorer v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.68s
[INFO] running `Command { std: "docker" "inspect" "d50a616cfb720326a81577befb63c4ca450eed9087c00b59d2537b3c49c1bc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50a616cfb720326a81577befb63c4ca450eed9087c00b59d2537b3c49c1bc95", kill_on_drop: false }`
[INFO] [stdout] d50a616cfb720326a81577befb63c4ca450eed9087c00b59d2537b3c49c1bc95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 866c6431dbb665e70697eec036049d141f3d32014682a6f6988d866213eed69f
[INFO] running `Command { std: "docker" "start" "-a" "866c6431dbb665e70697eec036049d141f3d32014682a6f6988d866213eed69f", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling preexplorer v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `preexplorer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name preexplorer --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=8a37a74696f63022 -C extra-filename=-8a37a74696f63022 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b05a62ad295f8562.rlib --extern average=/opt/rustwide/target/debug/deps/libaverage-75f7ca6ee0c22048.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6f2d8aa884e1bb5f.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-44064d8e497bfbab.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-13d809b076c11b7e.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a3d1053be3cbbf45.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8ff26108150bee7e.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-fa1b551c52d9b9f5.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d57d93e3e167973f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `preexplorer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name process_errors --edition=2018 examples/process_errors/main.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 -C metadata=cec2584fc22841d6 -C extra-filename=-cec2584fc22841d6 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b05a62ad295f8562.rlib --extern average=/opt/rustwide/target/debug/deps/libaverage-75f7ca6ee0c22048.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6f2d8aa884e1bb5f.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-44064d8e497bfbab.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-13d809b076c11b7e.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a3d1053be3cbbf45.rlib --extern preexplorer=/opt/rustwide/target/debug/deps/libpreexplorer-e5bf6d2537072554.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8ff26108150bee7e.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-fa1b551c52d9b9f5.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d57d93e3e167973f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `preexplorer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name process_violins --edition=2018 examples/process_violins/main.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 -C metadata=ab68c22dae300aa6 -C extra-filename=-ab68c22dae300aa6 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b05a62ad295f8562.rlib --extern average=/opt/rustwide/target/debug/deps/libaverage-75f7ca6ee0c22048.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6f2d8aa884e1bb5f.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-44064d8e497bfbab.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-13d809b076c11b7e.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a3d1053be3cbbf45.rlib --extern preexplorer=/opt/rustwide/target/debug/deps/libpreexplorer-e5bf6d2537072554.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8ff26108150bee7e.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-fa1b551c52d9b9f5.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d57d93e3e167973f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `preexplorer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name heatmaps --edition=2018 examples/heatmaps/main.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 -C metadata=5c9a17cd209a208e -C extra-filename=-5c9a17cd209a208e --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b05a62ad295f8562.rlib --extern average=/opt/rustwide/target/debug/deps/libaverage-75f7ca6ee0c22048.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6f2d8aa884e1bb5f.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-44064d8e497bfbab.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-13d809b076c11b7e.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a3d1053be3cbbf45.rlib --extern preexplorer=/opt/rustwide/target/debug/deps/libpreexplorer-e5bf6d2537072554.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8ff26108150bee7e.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-fa1b551c52d9b9f5.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d57d93e3e167973f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `preexplorer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name heatmap --edition=2018 examples/heatmap/main.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 -C metadata=0d24da809d8d4786 -C extra-filename=-0d24da809d8d4786 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b05a62ad295f8562.rlib --extern average=/opt/rustwide/target/debug/deps/libaverage-75f7ca6ee0c22048.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6f2d8aa884e1bb5f.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-44064d8e497bfbab.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-13d809b076c11b7e.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a3d1053be3cbbf45.rlib --extern preexplorer=/opt/rustwide/target/debug/deps/libpreexplorer-e5bf6d2537072554.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8ff26108150bee7e.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-fa1b551c52d9b9f5.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d57d93e3e167973f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `preexplorer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sequence_bins --edition=2018 examples/sequence_bins/main.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 -C metadata=a25fd122123df0fb -C extra-filename=-a25fd122123df0fb --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b05a62ad295f8562.rlib --extern average=/opt/rustwide/target/debug/deps/libaverage-75f7ca6ee0c22048.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6f2d8aa884e1bb5f.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-44064d8e497bfbab.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-13d809b076c11b7e.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a3d1053be3cbbf45.rlib --extern preexplorer=/opt/rustwide/target/debug/deps/libpreexplorer-e5bf6d2537072554.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8ff26108150bee7e.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-fa1b551c52d9b9f5.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d57d93e3e167973f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `preexplorer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name densities --edition=2018 examples/densities/main.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 -C metadata=1709626cf4e0643a -C extra-filename=-1709626cf4e0643a --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b05a62ad295f8562.rlib --extern average=/opt/rustwide/target/debug/deps/libaverage-75f7ca6ee0c22048.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6f2d8aa884e1bb5f.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-44064d8e497bfbab.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-13d809b076c11b7e.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a3d1053be3cbbf45.rlib --extern preexplorer=/opt/rustwide/target/debug/deps/libpreexplorer-e5bf6d2537072554.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8ff26108150bee7e.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-fa1b551c52d9b9f5.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d57d93e3e167973f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "866c6431dbb665e70697eec036049d141f3d32014682a6f6988d866213eed69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866c6431dbb665e70697eec036049d141f3d32014682a6f6988d866213eed69f", kill_on_drop: false }`
[INFO] [stdout] 866c6431dbb665e70697eec036049d141f3d32014682a6f6988d866213eed69f