[INFO] fetching crate mathru 0.6.10...
[INFO] checking mathru-0.6.10 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate mathru 0.6.10 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mathru 0.6.10 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mathru 0.6.10
[INFO] finished tweaking crates.io crate mathru 0.6.10
[INFO] tweaked toml for crates.io crate mathru 0.6.10 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mathru 0.6.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded num_cpus v1.10.0
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] [stderr]   Downloaded rand_os v0.2.2
[INFO] [stderr]   Downloaded walkdir v2.2.7
[INFO] [stderr]   Downloaded bytemuck v1.2.0
[INFO] [stderr]   Downloaded deflate v0.8.4
[INFO] [stderr]   Downloaded tinytemplate v1.0.1
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.0
[INFO] [stderr]   Downloaded zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]   Downloaded rand_xoshiro v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.90
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded freetype v0.4.1
[INFO] [stderr]   Downloaded servo-fontconfig v0.4.0
[INFO] [stderr]   Downloaded lapack-src v0.6.0
[INFO] [stderr]   Downloaded dwrote v0.11.0
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded blas-src v0.6.1
[INFO] [stderr]   Downloaded rayon-core v1.6.1
[INFO] [stderr]   Downloaded zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded accelerate-src v0.3.2
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded core-graphics v0.19.2
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded criterion v0.3.0
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded png v0.16.6
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded font-kit v0.7.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.19
[INFO] [stderr]   Downloaded syn v0.15.30
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded rusttype v0.8.3
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded csv v1.1.1
[INFO] [stderr]   Downloaded expat-sys v2.1.6
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.9
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded same-file v1.0.4
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded rayon v1.2.1
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded curl v0.4.30
[INFO] [stderr]   Downloaded intel-mkl-src v0.5.0
[INFO] [stderr]   Downloaded intel-mkl-tool v0.1.0
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded palette_derive v0.5.0
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded palette v0.5.0
[INFO] [stderr]   Downloaded ordered-float v1.1.0
[INFO] [stderr]   Downloaded openblas-src v0.9.0
[INFO] [stderr]   Downloaded servo-freetype-sys v4.0.5
[INFO] [stderr]   Downloaded zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]   Downloaded image v0.23.6
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]   Downloaded netlib-src v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6577355d048fff54a7cae9b8bec09a04d259126c4b0da14138e9be647ee8625
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6577355d048fff54a7cae9b8bec09a04d259126c4b0da14138e9be647ee8625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6577355d048fff54a7cae9b8bec09a04d259126c4b0da14138e9be647ee8625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6577355d048fff54a7cae9b8bec09a04d259126c4b0da14138e9be647ee8625", kill_on_drop: false }`
[INFO] [stdout] b6577355d048fff54a7cae9b8bec09a04d259126c4b0da14138e9be647ee8625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc8d7964591e904c7db9a529027b444006bd18c5323d64df6554689ceb5dff6a
[INFO] running `Command { std: "docker" "start" "-a" "bc8d7964591e904c7db9a529027b444006bd18c5323d64df6554689ceb5dff6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking png v0.16.6
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]     Checking image v0.23.6
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking mathru v0.6.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "bc8d7964591e904c7db9a529027b444006bd18c5323d64df6554689ceb5dff6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8d7964591e904c7db9a529027b444006bd18c5323d64df6554689ceb5dff6a", kill_on_drop: false }`
[INFO] [stdout] bc8d7964591e904c7db9a529027b444006bd18c5323d64df6554689ceb5dff6a