[INFO] fetching crate unsafe_example 0.3.3...
[INFO] testing unsafe_example-0.3.3 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate unsafe_example 0.3.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate unsafe_example 0.3.3
[INFO] finished tweaking crates.io crate unsafe_example 0.3.3
[INFO] tweaked toml for crates.io crate unsafe_example 0.3.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unsafe_example 0.3.3 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unsafe_example 0.3.3 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e37a32329f0cfb0edeb684145ecdd51fd9b9a7416d7c7637aad003c0a8929cdf
[INFO] running `Command { std: "docker" "start" "-a" "e37a32329f0cfb0edeb684145ecdd51fd9b9a7416d7c7637aad003c0a8929cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e37a32329f0cfb0edeb684145ecdd51fd9b9a7416d7c7637aad003c0a8929cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37a32329f0cfb0edeb684145ecdd51fd9b9a7416d7c7637aad003c0a8929cdf", kill_on_drop: false }`
[INFO] [stdout] e37a32329f0cfb0edeb684145ecdd51fd9b9a7416d7c7637aad003c0a8929cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f14cf1448f5d55410efb002bfda3841544d4aea944128e556ce1bd534b2ab04
[INFO] running `Command { std: "docker" "start" "-a" "7f14cf1448f5d55410efb002bfda3841544d4aea944128e556ce1bd534b2ab04", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsafe_example v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `index_3` is never used
[INFO] [stdout]   --> src/lib.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | unsafe fn index_3(idx: usize, arr: &[u8]) -> Option<u8>
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "7f14cf1448f5d55410efb002bfda3841544d4aea944128e556ce1bd534b2ab04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f14cf1448f5d55410efb002bfda3841544d4aea944128e556ce1bd534b2ab04", kill_on_drop: false }`
[INFO] [stdout] 7f14cf1448f5d55410efb002bfda3841544d4aea944128e556ce1bd534b2ab04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 711729d6441ff8d57a4fe0982efdd8e666c0bbeaba591df6755cf55de21c0854
[INFO] running `Command { std: "docker" "start" "-a" "711729d6441ff8d57a4fe0982efdd8e666c0bbeaba591df6755cf55de21c0854", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsafe_example v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `index_3` is never used
[INFO] [stdout]   --> src/lib.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | unsafe fn index_3(idx: usize, arr: &[u8]) -> Option<u8>
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_3` is never used
[INFO] [stdout]   --> src/lib.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | unsafe fn index_3(idx: usize, arr: &[u8]) -> Option<u8>
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "711729d6441ff8d57a4fe0982efdd8e666c0bbeaba591df6755cf55de21c0854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711729d6441ff8d57a4fe0982efdd8e666c0bbeaba591df6755cf55de21c0854", kill_on_drop: false }`
[INFO] [stdout] 711729d6441ff8d57a4fe0982efdd8e666c0bbeaba591df6755cf55de21c0854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7137cdfa2ae668deddd6372b995be0c2c70f0db2fecfb41cf9f070991db5414
[INFO] running `Command { std: "docker" "start" "-a" "c7137cdfa2ae668deddd6372b995be0c2c70f0db2fecfb41cf9f070991db5414", kill_on_drop: false }`
[INFO] [stderr] warning: function `index_3` is never used
[INFO] [stderr]   --> src/lib.rs:46:11
[INFO] [stderr]    |
[INFO] [stderr] 46 | unsafe fn index_3(idx: usize, arr: &[u8]) -> Option<u8>
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unsafe_example` (lib) generated 1 warning
[INFO] [stderr] warning: `unsafe_example` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unsafe_example-45995a728ac4928b)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unsafe_example-cd8687927101e032)
[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] [stderr]    Doc-tests unsafe_example
[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" "c7137cdfa2ae668deddd6372b995be0c2c70f0db2fecfb41cf9f070991db5414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7137cdfa2ae668deddd6372b995be0c2c70f0db2fecfb41cf9f070991db5414", kill_on_drop: false }`
[INFO] [stdout] c7137cdfa2ae668deddd6372b995be0c2c70f0db2fecfb41cf9f070991db5414
