[INFO] cloning repository https://github.com/alxolr/dates_imputation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alxolr/dates_imputation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falxolr%2Fdates_imputation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falxolr%2Fdates_imputation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 415f82483febf9bd1627e2b4f191589dec0d9f5d
[INFO] testing alxolr/dates_imputation against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falxolr%2Fdates_imputation" "/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/alxolr/dates_imputation on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alxolr/dates_imputation
[INFO] finished tweaking git repo https://github.com/alxolr/dates_imputation
[INFO] tweaked toml for git repo https://github.com/alxolr/dates_imputation written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/alxolr/dates_imputation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--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 serde_derive v1.0.130
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded ndarray v0.15.3
[INFO] [stderr]   Downloaded vinyana v0.2.0
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5781abac6137817885a50ad569cc145c3ae8f6d6e57c6d4b6ce3c165ecf32b8
[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" "f5781abac6137817885a50ad569cc145c3ae8f6d6e57c6d4b6ce3c165ecf32b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5781abac6137817885a50ad569cc145c3ae8f6d6e57c6d4b6ce3c165ecf32b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5781abac6137817885a50ad569cc145c3ae8f6d6e57c6d4b6ce3c165ecf32b8", kill_on_drop: false }`
[INFO] [stdout] f5781abac6137817885a50ad569cc145c3ae8f6d6e57c6d4b6ce3c165ecf32b8
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3c8fd32e8e82bb61500bb9bf467cc9b7baff9f45e652daddb26acb5fdff982e
[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" "a3c8fd32e8e82bb61500bb9bf467cc9b7baff9f45e652daddb26acb5fdff982e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[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 quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling vinyana v0.2.0
[INFO] [stderr]    Compiling impute_date v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `train_month`
[INFO] [stdout]  --> src/trainer.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn train_month() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `train_day`
[INFO] [stdout]   --> src/trainer.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn train_day() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_at`
[INFO] [stdout]   --> src/trainer.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn day_at(index: usize) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_dataset`
[INFO] [stdout]    --> src/trainer.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn gen_dataset() -> Vec<(Vec<u32>, Vec<f32>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_leap_year`
[INFO] [stdout]  --> src/utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn is_leap_year(year: u32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "a3c8fd32e8e82bb61500bb9bf467cc9b7baff9f45e652daddb26acb5fdff982e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c8fd32e8e82bb61500bb9bf467cc9b7baff9f45e652daddb26acb5fdff982e", kill_on_drop: false }`
[INFO] [stdout] a3c8fd32e8e82bb61500bb9bf467cc9b7baff9f45e652daddb26acb5fdff982e
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a77f7241ae1a34f04eebaad7fffe23d8c509bcd5dbe79746f0db0fb5a1e6098
[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" "1a77f7241ae1a34f04eebaad7fffe23d8c509bcd5dbe79746f0db0fb5a1e6098", kill_on_drop: false }`
[INFO] [stderr]    Compiling impute_date v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `train_month`
[INFO] [stdout]  --> src/trainer.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn train_month() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `train_day`
[INFO] [stdout]   --> src/trainer.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn train_day() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_at`
[INFO] [stdout]   --> src/trainer.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn day_at(index: usize) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_dataset`
[INFO] [stdout]    --> src/trainer.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn gen_dataset() -> Vec<(Vec<u32>, Vec<f32>)> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "1a77f7241ae1a34f04eebaad7fffe23d8c509bcd5dbe79746f0db0fb5a1e6098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a77f7241ae1a34f04eebaad7fffe23d8c509bcd5dbe79746f0db0fb5a1e6098", kill_on_drop: false }`
[INFO] [stdout] 1a77f7241ae1a34f04eebaad7fffe23d8c509bcd5dbe79746f0db0fb5a1e6098
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 943964571a0df6250c5ecce54e303f070441e43d978fd362f3cb8c4ccfd66afc
[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" "943964571a0df6250c5ecce54e303f070441e43d978fd362f3cb8c4ccfd66afc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `train_month`
[INFO] [stdout] running 1 test
[INFO] [stderr]  --> src/trainer.rs:9:8
[INFO] [stdout] test utils::tests::test_leap_years ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 9 | pub fn train_month() {
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `train_day`
[INFO] [stderr]   --> src/trainer.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn train_day() {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_at`
[INFO] [stderr]   --> src/trainer.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub fn day_at(index: usize) -> Vec<f32> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_dataset`
[INFO] [stderr]    --> src/trainer.rs:108:8
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub fn gen_dataset() -> Vec<(Vec<u32>, Vec<f32>)> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `impute_date` (bin "impute_date" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/impute_date-2eaf5118638bc81e)
[INFO] running `Command { std: "docker" "inspect" "943964571a0df6250c5ecce54e303f070441e43d978fd362f3cb8c4ccfd66afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943964571a0df6250c5ecce54e303f070441e43d978fd362f3cb8c4ccfd66afc", kill_on_drop: false }`
[INFO] [stdout] 943964571a0df6250c5ecce54e303f070441e43d978fd362f3cb8c4ccfd66afc