[INFO] cloning repository https://github.com/Kanaricc/reduction_react
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kanaricc/reduction_react" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanaricc%2Freduction_react", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanaricc%2Freduction_react'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17dbf2a877462f96355fd895ffe325e7e10be988
[INFO] building Kanaricc/reduction_react against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanaricc%2Freduction_react" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kanaricc/reduction_react
[INFO] finished tweaking git repo https://github.com/Kanaricc/reduction_react
[INFO] tweaked toml for git repo https://github.com/Kanaricc/reduction_react written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kanaricc/reduction_react on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kanaricc/reduction_react 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fbdd8c922c8c8a4c64942191f2f725d1c180374950ac2e2f665d30a9fcaad30
[INFO] running `Command { std: "docker" "start" "-a" "6fbdd8c922c8c8a4c64942191f2f725d1c180374950ac2e2f665d30a9fcaad30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbdd8c922c8c8a4c64942191f2f725d1c180374950ac2e2f665d30a9fcaad30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbdd8c922c8c8a4c64942191f2f725d1c180374950ac2e2f665d30a9fcaad30", kill_on_drop: false }`
[INFO] [stdout] 6fbdd8c922c8c8a4c64942191f2f725d1c180374950ac2e2f665d30a9fcaad30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8c29276b57d9d2996ebf5f364f101f0655b04152bc2d3e3bf19f2de1d5e5769
[INFO] running `Command { std: "docker" "start" "-a" "a8c29276b57d9d2996ebf5f364f101f0655b04152bc2d3e3bf19f2de1d5e5769", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
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[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling openssl-probe v0.1.5
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[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling tracing v0.1.30
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[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling quote v1.0.15
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[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
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[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
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[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling reduction_react v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TargetInformation` is never constructed
[INFO] [stdout]    --> src/utils.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct TargetInformation<'t> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/lib.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     std::process::Command::new(path.as_ref().to_str().unwrap()).exec();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 284 |     let _ = std::process::Command::new(path.as_ref().to_str().unwrap()).exec();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.68s
[INFO] running `Command { std: "docker" "inspect" "a8c29276b57d9d2996ebf5f364f101f0655b04152bc2d3e3bf19f2de1d5e5769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c29276b57d9d2996ebf5f364f101f0655b04152bc2d3e3bf19f2de1d5e5769", kill_on_drop: false }`
[INFO] [stdout] a8c29276b57d9d2996ebf5f364f101f0655b04152bc2d3e3bf19f2de1d5e5769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2429bfd64dccd1e2897c877b7142eeefedecad049a9a173e92956c8cb87fa92e
[INFO] running `Command { std: "docker" "start" "-a" "2429bfd64dccd1e2897c877b7142eeefedecad049a9a173e92956c8cb87fa92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduction_react v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TargetInformation` is never constructed
[INFO] [stdout]    --> src/utils.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct TargetInformation<'t> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/lib.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     std::process::Command::new(path.as_ref().to_str().unwrap()).exec();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 284 |     let _ = std::process::Command::new(path.as_ref().to_str().unwrap()).exec();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TargetInformation` is never constructed
[INFO] [stdout]    --> src/utils.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct TargetInformation<'t> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/lib.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     std::process::Command::new(path.as_ref().to_str().unwrap()).exec();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 284 |     let _ = std::process::Command::new(path.as_ref().to_str().unwrap()).exec();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "2429bfd64dccd1e2897c877b7142eeefedecad049a9a173e92956c8cb87fa92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2429bfd64dccd1e2897c877b7142eeefedecad049a9a173e92956c8cb87fa92e", kill_on_drop: false }`
[INFO] [stdout] 2429bfd64dccd1e2897c877b7142eeefedecad049a9a173e92956c8cb87fa92e