[INFO] cloning repository https://github.com/mariusdanciu/rust_nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mariusdanciu/rust_nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariusdanciu%2Frust_nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariusdanciu%2Frust_nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76ae6b491c7f63e2a00e576430ea26924b8a105b
[INFO] checking mariusdanciu/rust_nn against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariusdanciu%2Frust_nn" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  97% (33/34)   
Checking out files: 100% (34/34)   
Checking out files: 100% (34/34), done.
[INFO] validating manifest of git repo https://github.com/mariusdanciu/rust_nn on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mariusdanciu/rust_nn
[INFO] finished tweaking git repo https://github.com/mariusdanciu/rust_nn
[INFO] tweaked toml for git repo https://github.com/mariusdanciu/rust_nn written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mariusdanciu/rust_nn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abf28366ecdfd2abe73e13aa28f22a8d0a71baad15c6a13b9f28910b957a30b5
[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" "abf28366ecdfd2abe73e13aa28f22a8d0a71baad15c6a13b9f28910b957a30b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abf28366ecdfd2abe73e13aa28f22a8d0a71baad15c6a13b9f28910b957a30b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf28366ecdfd2abe73e13aa28f22a8d0a71baad15c6a13b9f28910b957a30b5", kill_on_drop: false }`
[INFO] [stdout] abf28366ecdfd2abe73e13aa28f22a8d0a71baad15c6a13b9f28910b957a30b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26527fb5f84583bab0faaf43350d7811be471bdaa88a025bdd3a4a6fe3150a30
[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" "26527fb5f84583bab0faaf43350d7811be471bdaa88a025bdd3a4a6fe3150a30", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.20.5
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking font-kit v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "26527fb5f84583bab0faaf43350d7811be471bdaa88a025bdd3a4a6fe3150a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26527fb5f84583bab0faaf43350d7811be471bdaa88a025bdd3a4a6fe3150a30", kill_on_drop: false }`
[INFO] [stdout] 26527fb5f84583bab0faaf43350d7811be471bdaa88a025bdd3a4a6fe3150a30