[INFO] cloning repository https://github.com/shahinrostami/darn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shahinrostami/darn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahinrostami%2Fdarn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahinrostami%2Fdarn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 145b1a7001c3f23319b991e70bae12a682a27c90
[INFO] checking shahinrostami/darn/145b1a7001c3f23319b991e70bae12a682a27c90 against master#5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahinrostami%2Fdarn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shahinrostami/darn
[INFO] finished tweaking git repo https://github.com/shahinrostami/darn
[INFO] tweaked toml for git repo https://github.com/shahinrostami/darn written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shahinrostami/darn on toolchain 5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shahinrostami/darn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded askama_escape v0.3.0
[INFO] [stderr]   Downloaded webpki v0.21.2
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded nanoid v0.3.0
[INFO] [stderr]   Downloaded askama_derive v0.9.0
[INFO] [stderr]   Downloaded ndarray-csv v0.4.1
[INFO] [stderr]   Downloaded askama_shared v0.9.1
[INFO] [stderr]   Downloaded askama v0.9.0
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded chunked_transfer v1.0.0
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded nom v5.1.1
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded plotly v0.4.0
[INFO] [stderr]   Downloaded ring v0.16.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e425ed47d375352be080c334e0f3f0689cee386a31dd568a870a7cf25d44146
[INFO] running `Command { std: "docker" "start" "-a" "5e425ed47d375352be080c334e0f3f0689cee386a31dd568a870a7cf25d44146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e425ed47d375352be080c334e0f3f0689cee386a31dd568a870a7cf25d44146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e425ed47d375352be080c334e0f3f0689cee386a31dd568a870a7cf25d44146", kill_on_drop: false }`
[INFO] [stdout] 5e425ed47d375352be080c334e0f3f0689cee386a31dd568a870a7cf25d44146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+5b150d238fbd4fe7bc2cd3140d8e6fb4406099fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78d9678c094d27f6cc3b94598fb476f39fcd8244f712d06282ef9074fd567b13
[INFO] running `Command { std: "docker" "start" "-a" "78d9678c094d27f6cc3b94598fb476f39fcd8244f712d06282ef9074fd567b13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking ureq v0.11.4
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking ndarray-csv v0.4.1
[INFO] [stderr]     Checking askama_shared v0.9.1
[INFO] [stderr]    Compiling askama_derive v0.9.0
[INFO] [stderr]     Checking askama v0.9.0
[INFO] [stderr]     Checking plotly v0.4.0
[INFO] [stderr]     Checking darn v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]    --> src/lib.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 | use itertools::Itertools;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]    --> src/lib.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 | use itertools::Itertools;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/lib.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         for c in 0..values.shape()[1] {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/lib.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         for c in 0..values.shape()[1] {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fs::remove_file(plotly_file);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = fs::remove_file(plotly_file);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     file.write_all(res.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let _ = file.write_all(res.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:233:5
[INFO] [stdout]     |
[INFO] [stdout] 233 |     file.write_all(res.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let _ = file.write_all(res.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fs::remove_file(plotly_file);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = fs::remove_file(plotly_file);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     file.write_all(res.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let _ = file.write_all(res.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:233:5
[INFO] [stdout]     |
[INFO] [stdout] 233 |     file.write_all(res.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let _ = file.write_all(res.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] running `Command { std: "docker" "inspect" "78d9678c094d27f6cc3b94598fb476f39fcd8244f712d06282ef9074fd567b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d9678c094d27f6cc3b94598fb476f39fcd8244f712d06282ef9074fd567b13", kill_on_drop: false }`
[INFO] [stdout] 78d9678c094d27f6cc3b94598fb476f39fcd8244f712d06282ef9074fd567b13