[INFO] cloning repository https://github.com/STYJ/how-to-rust-modules
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/STYJ/how-to-rust-modules" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTYJ%2Fhow-to-rust-modules", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTYJ%2Fhow-to-rust-modules'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18d86a806094bf6c408db8906c32d79d3a3f41de
[INFO] checking STYJ/how-to-rust-modules against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTYJ%2Fhow-to-rust-modules" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/STYJ/how-to-rust-modules on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/STYJ/how-to-rust-modules
[INFO] finished tweaking git repo https://github.com/STYJ/how-to-rust-modules
[INFO] tweaked toml for git repo https://github.com/STYJ/how-to-rust-modules written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/STYJ/how-to-rust-modules already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66889105830fe8abbfa727194b4b11281a025dbb6db1463bfe9662676f4c526d
[INFO] running `Command { std: "docker" "start" "-a" "66889105830fe8abbfa727194b4b11281a025dbb6db1463bfe9662676f4c526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66889105830fe8abbfa727194b4b11281a025dbb6db1463bfe9662676f4c526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66889105830fe8abbfa727194b4b11281a025dbb6db1463bfe9662676f4c526d", kill_on_drop: false }`
[INFO] [stdout] 66889105830fe8abbfa727194b4b11281a025dbb6db1463bfe9662676f4c526d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ae770f84c4b791c8873451b14a58c459a477c610ad620fb3075e2aac9869f7e
[INFO] running `Command { std: "docker" "start" "-a" "7ae770f84c4b791c8873451b14a58c459a477c610ad620fb3075e2aac9869f7e", kill_on_drop: false }`
[INFO] [stderr]     Checking how-to-modules-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mul`
[INFO] [stdout]  --> src/main.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use math::arithmetic::{add, mul};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cosh`, `sinh`
[INFO] [stdout]  --> src/main.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use math::trigonometry::hyperbolic::{cosh, sinh};
[INFO] [stdout]   |                                          ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cos`, `sin`
[INFO] [stdout]  --> src/main.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use math::trigonometry::ordinary::{cos, sin};
[INFO] [stdout]   |                                        ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul`
[INFO] [stdout]  --> src/math/arithmetic/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mul(x: i32, y: i32) -> i32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sin`
[INFO] [stdout]  --> src/math/trigonometry/mod.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |   pub fn sin(x: f32) -> f32 {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cos`
[INFO] [stdout]  --> src/math/trigonometry/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |   pub fn cos(x: f32) -> f32 {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sinh`
[INFO] [stdout]  --> src/math/trigonometry/hyperbolic/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sinh(x: f32) -> f32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cosh`
[INFO] [stdout]  --> src/math/trigonometry/hyperbolic/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn cosh(x: f32) -> f32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mul`
[INFO] [stdout]  --> src/main.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use math::arithmetic::{add, mul};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cosh`, `sinh`
[INFO] [stdout]  --> src/main.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use math::trigonometry::hyperbolic::{cosh, sinh};
[INFO] [stdout]   |                                          ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cos`, `sin`
[INFO] [stdout]  --> src/main.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use math::trigonometry::ordinary::{cos, sin};
[INFO] [stdout]   |                                        ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ae770f84c4b791c8873451b14a58c459a477c610ad620fb3075e2aac9869f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae770f84c4b791c8873451b14a58c459a477c610ad620fb3075e2aac9869f7e", kill_on_drop: false }`
[INFO] [stdout] 7ae770f84c4b791c8873451b14a58c459a477c610ad620fb3075e2aac9869f7e