[INFO] fetching crate dzjungy 0.1.0...
[INFO] testing dzjungy-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate dzjungy 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate dzjungy 0.1.0
[INFO] finished tweaking crates.io crate dzjungy 0.1.0
[INFO] tweaked toml for crates.io crate dzjungy 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dzjungy 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 dzjungy 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8a4175fe4ff0ed8bd66d6c5c82a4667b11b8bfb203e12eec1b567d85cad33d69
[INFO] running `Command { std: "docker" "start" "-a" "8a4175fe4ff0ed8bd66d6c5c82a4667b11b8bfb203e12eec1b567d85cad33d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a4175fe4ff0ed8bd66d6c5c82a4667b11b8bfb203e12eec1b567d85cad33d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4175fe4ff0ed8bd66d6c5c82a4667b11b8bfb203e12eec1b567d85cad33d69", kill_on_drop: false }`
[INFO] [stdout] 8a4175fe4ff0ed8bd66d6c5c82a4667b11b8bfb203e12eec1b567d85cad33d69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f0c136fe6ea03281dc9776cd835a83d2f40accc50e7ac8f76612a095ac5a5d4c
[INFO] running `Command { std: "docker" "start" "-a" "f0c136fe6ea03281dc9776cd835a83d2f40accc50e7ac8f76612a095ac5a5d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dzjungy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `K` is never constructed
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct K{
[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 0.22s
[INFO] running `Command { std: "docker" "inspect" "f0c136fe6ea03281dc9776cd835a83d2f40accc50e7ac8f76612a095ac5a5d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c136fe6ea03281dc9776cd835a83d2f40accc50e7ac8f76612a095ac5a5d4c", kill_on_drop: false }`
[INFO] [stdout] f0c136fe6ea03281dc9776cd835a83d2f40accc50e7ac8f76612a095ac5a5d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 12d0e7c4806ab12f9a87c0fcf28648bc2e87bf0cd379d8a01b3dd8ec957cda52
[INFO] running `Command { std: "docker" "start" "-a" "12d0e7c4806ab12f9a87c0fcf28648bc2e87bf0cd379d8a01b3dd8ec957cda52", kill_on_drop: false }`
[INFO] [stderr]    Compiling dzjungy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `K` is never constructed
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct K{
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `K` is never constructed
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct K{
[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 0.24s
[INFO] running `Command { std: "docker" "inspect" "12d0e7c4806ab12f9a87c0fcf28648bc2e87bf0cd379d8a01b3dd8ec957cda52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d0e7c4806ab12f9a87c0fcf28648bc2e87bf0cd379d8a01b3dd8ec957cda52", kill_on_drop: false }`
[INFO] [stdout] 12d0e7c4806ab12f9a87c0fcf28648bc2e87bf0cd379d8a01b3dd8ec957cda52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 694c8a579357c4a680b16061c52eb3af3da686625a0279f76714d54a0154a985
[INFO] running `Command { std: "docker" "start" "-a" "694c8a579357c4a680b16061c52eb3af3da686625a0279f76714d54a0154a985", kill_on_drop: false }`
[INFO] [stderr] warning: struct `K` is never constructed
[INFO] [stderr]   --> src/lib.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct K{
[INFO] [stderr]    |        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dzjungy` (lib) generated 1 warning
[INFO] [stderr] warning: `dzjungy` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dzjungy-a3de6e81b7bc5e67)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dzjungy-7b536e0ed83707ec)
[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] [stderr]    Doc-tests dzjungy
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - K (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - K (line 5) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `iter`
[INFO] [stdout]  --> src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | let answer =iter::add_one(arg);
[INFO] [stdout]   |             ^^^^ use of unresolved module or unlinked crate `iter`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `iter`, use `cargo add iter` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - K (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "694c8a579357c4a680b16061c52eb3af3da686625a0279f76714d54a0154a985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694c8a579357c4a680b16061c52eb3af3da686625a0279f76714d54a0154a985", kill_on_drop: false }`
[INFO] [stdout] 694c8a579357c4a680b16061c52eb3af3da686625a0279f76714d54a0154a985