[INFO] cloning repository https://github.com/bczhc/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bczhc/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faa544970f2f74edc44af4279a09d92669624001
[INFO] testing bczhc/rust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Frust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bczhc/rust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bczhc/rust
[INFO] finished tweaking git repo https://github.com/bczhc/rust
[INFO] tweaked toml for git repo https://github.com/bczhc/rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bczhc/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0e1e3a72d0eede3b1a6247c4122e0cb03b7848d30162ef0e6fa7e55c461a766
[INFO] running `Command { std: "docker" "start" "-a" "b0e1e3a72d0eede3b1a6247c4122e0cb03b7848d30162ef0e6fa7e55c461a766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e1e3a72d0eede3b1a6247c4122e0cb03b7848d30162ef0e6fa7e55c461a766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e1e3a72d0eede3b1a6247c4122e0cb03b7848d30162ef0e6fa7e55c461a766", kill_on_drop: false }`
[INFO] [stdout] b0e1e3a72d0eede3b1a6247c4122e0cb03b7848d30162ef0e6fa7e55c461a766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b29aa983642d885cd088bb4dedbeefe039aef629479ab919a549af859a4f92e
[INFO] running `Command { std: "docker" "start" "-a" "8b29aa983642d885cd088bb4dedbeefe039aef629479ab919a549af859a4f92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling lib v1.0.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]    Compiling rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `App`, `ArgGroup`, `Arg`
[INFO] [stdout]  --> src/demo.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{App, Arg, ArgGroup};
[INFO] [stdout]   |            ^^^  ^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/demo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.42s
[INFO] running `Command { std: "docker" "inspect" "8b29aa983642d885cd088bb4dedbeefe039aef629479ab919a549af859a4f92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b29aa983642d885cd088bb4dedbeefe039aef629479ab919a549af859a4f92e", kill_on_drop: false }`
[INFO] [stdout] 8b29aa983642d885cd088bb4dedbeefe039aef629479ab919a549af859a4f92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c82a50b71a165031d60977f841d84934558cbcad6dbcd151ff58a19d80a0b4
[INFO] running `Command { std: "docker" "start" "-a" "d6c82a50b71a165031d60977f841d84934558cbcad6dbcd151ff58a19d80a0b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `App`, `ArgGroup`, `Arg`
[INFO] [stdout]  --> src/demo.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{App, Arg, ArgGroup};
[INFO] [stdout]   |            ^^^  ^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/demo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "d6c82a50b71a165031d60977f841d84934558cbcad6dbcd151ff58a19d80a0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c82a50b71a165031d60977f841d84934558cbcad6dbcd151ff58a19d80a0b4", kill_on_drop: false }`
[INFO] [stdout] d6c82a50b71a165031d60977f841d84934558cbcad6dbcd151ff58a19d80a0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c0dce6cde1ef57ef95a2f35698aec375e40883a5ea6f8720b4fdc68a08d7e0e
[INFO] running `Command { std: "docker" "start" "-a" "0c0dce6cde1ef57ef95a2f35698aec375e40883a5ea6f8720b4fdc68a08d7e0e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `App`, `ArgGroup`, `Arg`
[INFO] [stderr]  --> src/demo.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use clap::{App, Arg, ArgGroup};
[INFO] [stderr]   |            ^^^  ^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/demo.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust` (bin "demo" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/demo-1198a698d967f585)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fourier_series_demo-cee2dabaa6186a2a)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c0dce6cde1ef57ef95a2f35698aec375e40883a5ea6f8720b4fdc68a08d7e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0dce6cde1ef57ef95a2f35698aec375e40883a5ea6f8720b4fdc68a08d7e0e", kill_on_drop: false }`
[INFO] [stdout] 0c0dce6cde1ef57ef95a2f35698aec375e40883a5ea6f8720b4fdc68a08d7e0e