[INFO] fetching crate dzjungy 0.1.0...
[INFO] testing dzjungy-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate dzjungy 0.1.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dzjungy 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6a83d07d3346edbeb04201693c012351d8d51cf1782d7a5416b743bc65d6f28
[INFO] running `Command { std: "docker" "start" "-a" "f6a83d07d3346edbeb04201693c012351d8d51cf1782d7a5416b743bc65d6f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a83d07d3346edbeb04201693c012351d8d51cf1782d7a5416b743bc65d6f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a83d07d3346edbeb04201693c012351d8d51cf1782d7a5416b743bc65d6f28", kill_on_drop: false }`
[INFO] [stdout] f6a83d07d3346edbeb04201693c012351d8d51cf1782d7a5416b743bc65d6f28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3200fe36486f140e3739574f2315cffa5eaf2b5f47df4736374e0d9a600841da
[INFO] running `Command { std: "docker" "start" "-a" "3200fe36486f140e3739574f2315cffa5eaf2b5f47df4736374e0d9a600841da", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "3200fe36486f140e3739574f2315cffa5eaf2b5f47df4736374e0d9a600841da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3200fe36486f140e3739574f2315cffa5eaf2b5f47df4736374e0d9a600841da", kill_on_drop: false }`
[INFO] [stdout] 3200fe36486f140e3739574f2315cffa5eaf2b5f47df4736374e0d9a600841da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cad4e043713249ec7992ceca6bbf99133bf7d3d358949237c55724270f5c35bd
[INFO] running `Command { std: "docker" "start" "-a" "cad4e043713249ec7992ceca6bbf99133bf7d3d358949237c55724270f5c35bd", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "cad4e043713249ec7992ceca6bbf99133bf7d3d358949237c55724270f5c35bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad4e043713249ec7992ceca6bbf99133bf7d3d358949237c55724270f5c35bd", kill_on_drop: false }`
[INFO] [stdout] cad4e043713249ec7992ceca6bbf99133bf7d3d358949237c55724270f5c35bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5d19debbece04cfc2c1c692bab9205e2a8f7e15985f0c2d32d4006812cd3dd2
[INFO] running `Command { std: "docker" "start" "-a" "d5d19debbece04cfc2c1c692bab9205e2a8f7e15985f0c2d32d4006812cd3dd2", 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 0.04s
[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] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dzjungy-b6eee12f5fe78da1)
[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]: cannot find module or crate `iter` in this scope
[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 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d5d19debbece04cfc2c1c692bab9205e2a8f7e15985f0c2d32d4006812cd3dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d19debbece04cfc2c1c692bab9205e2a8f7e15985f0c2d32d4006812cd3dd2", kill_on_drop: false }`
[INFO] [stdout] d5d19debbece04cfc2c1c692bab9205e2a8f7e15985f0c2d32d4006812cd3dd2