[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] 846a4127c9ca6d21e0ac3d7d6ea81af411309201
[INFO] testing mariusdanciu/rust_nn against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariusdanciu%2Frust_nn" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mariusdanciu/rust_nn on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-6/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e65530b1cfcfac7afabbe38f3c071ea8a0db2dc57f85b51bbbedb05e1a6f516c
[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" "e65530b1cfcfac7afabbe38f3c071ea8a0db2dc57f85b51bbbedb05e1a6f516c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e65530b1cfcfac7afabbe38f3c071ea8a0db2dc57f85b51bbbedb05e1a6f516c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65530b1cfcfac7afabbe38f3c071ea8a0db2dc57f85b51bbbedb05e1a6f516c", kill_on_drop: false }`
[INFO] [stdout] e65530b1cfcfac7afabbe38f3c071ea8a0db2dc57f85b51bbbedb05e1a6f516c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] d6d6c420be93b6f779cf35500dcd50be13ffe87d4c38e5777ac94560cd5009b8
[INFO] running `Command { std: "docker" "start" "-a" "d6d6c420be93b6f779cf35500dcd50be13ffe87d4c38e5777ac94560cd5009b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling itoa v0.4.5
[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 inflate v0.4.5
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling euclid v0.20.5
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling lyon_geom v0.14.1
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling lyon_path v0.14.0
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling font-kit v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/defs.rs:172:29
[INFO] [stdout]     |
[INFO] [stdout] 172 |              observer: &mut TrainingObserver,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/internal.rs:169:29
[INFO] [stdout]     |
[INFO] [stdout] 169 |              observer: &mut TrainingObserver,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/internal.rs:669:6
[INFO] [stdout]     |
[INFO] [stdout] 669 | impl ModelLoad {
[INFO] [stdout]     |      ^^^^^^^^^ help: use `dyn`: `dyn ModelLoad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "d6d6c420be93b6f779cf35500dcd50be13ffe87d4c38e5777ac94560cd5009b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d6c420be93b6f779cf35500dcd50be13ffe87d4c38e5777ac94560cd5009b8", kill_on_drop: false }`
[INFO] [stdout] d6d6c420be93b6f779cf35500dcd50be13ffe87d4c38e5777ac94560cd5009b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f888fb5ed613a4429410d00e99e09f55ce70130d29a305e25f7c3ba2aab38aca
[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" "f888fb5ed613a4429410d00e99e09f55ce70130d29a305e25f7c3ba2aab38aca", kill_on_drop: false }`
[INFO] [stderr]    Compiling nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/defs.rs:172:29
[INFO] [stdout]     |
[INFO] [stdout] 172 |              observer: &mut TrainingObserver,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/internal.rs:169:29
[INFO] [stdout]     |
[INFO] [stdout] 169 |              observer: &mut TrainingObserver,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/neunet/api/internal.rs:669:6
[INFO] [stdout]     |
[INFO] [stdout] 669 | impl ModelLoad {
[INFO] [stdout]     |      ^^^^^^^^^ help: use `dyn`: `dyn ModelLoad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "f888fb5ed613a4429410d00e99e09f55ce70130d29a305e25f7c3ba2aab38aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f888fb5ed613a4429410d00e99e09f55ce70130d29a305e25f7c3ba2aab38aca", kill_on_drop: false }`
[INFO] [stdout] f888fb5ed613a4429410d00e99e09f55ce70130d29a305e25f7c3ba2aab38aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] 038ff7d4ef466eea0a664d5204928ed4ede8ce1874934ce51696f26b947e20f1
[INFO] running `Command { std: "docker" "start" "-a" "038ff7d4ef466eea0a664d5204928ed4ede8ce1874934ce51696f26b947e20f1", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/neunet/api/defs.rs:172:29
[INFO] [stderr]     |
[INFO] [stderr] 172 |              observer: &mut TrainingObserver,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/neunet/api/internal.rs:169:29
[INFO] [stderr]     |
[INFO] [stderr] 169 |              observer: &mut TrainingObserver,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrainingObserver`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/neunet/api/internal.rs:669:6
[INFO] [stderr]     |
[INFO] [stderr] 669 | impl ModelLoad {
[INFO] [stderr]     |      ^^^^^^^^^ help: use `dyn`: `dyn ModelLoad`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nn-91fa62a2b684b47a
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "038ff7d4ef466eea0a664d5204928ed4ede8ce1874934ce51696f26b947e20f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038ff7d4ef466eea0a664d5204928ed4ede8ce1874934ce51696f26b947e20f1", kill_on_drop: false }`
[INFO] [stdout] 038ff7d4ef466eea0a664d5204928ed4ede8ce1874934ce51696f26b947e20f1