[INFO] fetching crate nahida 0.1.0...
[INFO] testing nahida-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate nahida 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate nahida 0.1.0
[INFO] finished tweaking crates.io crate nahida 0.1.0
[INFO] tweaked toml for crates.io crate nahida 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nahida 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nahida 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eef0e159773142137a39c912e45a58e28671f327c22d8a2de5ddcd20fe9f0614
[INFO] running `Command { std: "docker" "start" "-a" "eef0e159773142137a39c912e45a58e28671f327c22d8a2de5ddcd20fe9f0614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eef0e159773142137a39c912e45a58e28671f327c22d8a2de5ddcd20fe9f0614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef0e159773142137a39c912e45a58e28671f327c22d8a2de5ddcd20fe9f0614", kill_on_drop: false }`
[INFO] [stdout] eef0e159773142137a39c912e45a58e28671f327c22d8a2de5ddcd20fe9f0614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65b5b9f327da50ede1362a4a1cb8036e362515429edcbd9d986b10885275c189
[INFO] running `Command { std: "docker" "start" "-a" "65b5b9f327da50ede1362a4a1cb8036e362515429edcbd9d986b10885275c189", kill_on_drop: false }`
[INFO] [stderr]    Compiling nahida v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Context<'a, T> {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 17 |     left: &'a [T],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     right: &'a [T],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `context` is never read
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Location<'a, T> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 24 |     context: Context<'a, T>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "65b5b9f327da50ede1362a4a1cb8036e362515429edcbd9d986b10885275c189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b5b9f327da50ede1362a4a1cb8036e362515429edcbd9d986b10885275c189", kill_on_drop: false }`
[INFO] [stdout] 65b5b9f327da50ede1362a4a1cb8036e362515429edcbd9d986b10885275c189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7dba7d4e55b40f5de9357de6d75063fb8e1fce9ad6ea792d7a90de78f96a5bc
[INFO] running `Command { std: "docker" "start" "-a" "d7dba7d4e55b40f5de9357de6d75063fb8e1fce9ad6ea792d7a90de78f96a5bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling nahida v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Context<'a, T> {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 17 |     left: &'a [T],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     right: &'a [T],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `context` is never read
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Location<'a, T> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 24 |     context: Context<'a, T>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "d7dba7d4e55b40f5de9357de6d75063fb8e1fce9ad6ea792d7a90de78f96a5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7dba7d4e55b40f5de9357de6d75063fb8e1fce9ad6ea792d7a90de78f96a5bc", kill_on_drop: false }`
[INFO] [stdout] d7dba7d4e55b40f5de9357de6d75063fb8e1fce9ad6ea792d7a90de78f96a5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43e65042be8fdbf3acd62e2aa372678ac09676a952b613c0727f11e1b3caec79
[INFO] running `Command { std: "docker" "start" "-a" "43e65042be8fdbf3acd62e2aa372678ac09676a952b613c0727f11e1b3caec79", kill_on_drop: false }`
[INFO] [stderr] warning: fields `left` and `right` are never read
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Context<'a, T> {
[INFO] [stderr]    |        ------- fields in this struct
[INFO] [stderr] 17 |     left: &'a [T],
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 18 |     right: &'a [T],
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `context` is never read
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Location<'a, T> {
[INFO] [stderr]    |        -------- field in this struct
[INFO] [stderr] 24 |     context: Context<'a, T>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `nahida` (bin "nahida" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nahida-6296d5ad1f543409)
[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" "43e65042be8fdbf3acd62e2aa372678ac09676a952b613c0727f11e1b3caec79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e65042be8fdbf3acd62e2aa372678ac09676a952b613c0727f11e1b3caec79", kill_on_drop: false }`
[INFO] [stdout] 43e65042be8fdbf3acd62e2aa372678ac09676a952b613c0727f11e1b3caec79