[INFO] cloning repository https://github.com/ThomasBollmeier/nonogramix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomasBollmeier/nonogramix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasBollmeier%2Fnonogramix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasBollmeier%2Fnonogramix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 949a6688563a9ee31990bcf070044047ecd61029
[INFO] testing ThomasBollmeier/nonogramix against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasBollmeier%2Fnonogramix" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ThomasBollmeier/nonogramix
[INFO] finished tweaking git repo https://github.com/ThomasBollmeier/nonogramix
[INFO] tweaked toml for git repo https://github.com/ThomasBollmeier/nonogramix written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ThomasBollmeier/nonogramix on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ThomasBollmeier/nonogramix 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dfa837f8b79266c7cd844c7b0cb72a04630ef1eb600f730a2264aa23b8d1642
[INFO] running `Command { std: "docker" "start" "-a" "8dfa837f8b79266c7cd844c7b0cb72a04630ef1eb600f730a2264aa23b8d1642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dfa837f8b79266c7cd844c7b0cb72a04630ef1eb600f730a2264aa23b8d1642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfa837f8b79266c7cd844c7b0cb72a04630ef1eb600f730a2264aa23b8d1642", kill_on_drop: false }`
[INFO] [stdout] 8dfa837f8b79266c7cd844c7b0cb72a04630ef1eb600f730a2264aa23b8d1642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d62d7b5dabf14cc2d3ab1b52c42120746ccae871c4ea57af99ec1a19a25e0a
[INFO] running `Command { std: "docker" "start" "-a" "d4d62d7b5dabf14cc2d3ab1b52c42120746ccae871c4ea57af99ec1a19a25e0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nonogramix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, cell::Cell};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Placement` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Placement {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CellState` is never used
[INFO] [stdout]  --> src/lib.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum CellState {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_placements` is never used
[INFO] [stdout]   --> src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn find_placements(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_placements_at` is never used
[INFO] [stdout]   --> src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn find_placements_at(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `placements_valid` is never used
[INFO] [stdout]   --> src/lib.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn placements_valid(placements: &Vec<Placement>, givens: &HashMap<u8, CellState>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "d4d62d7b5dabf14cc2d3ab1b52c42120746ccae871c4ea57af99ec1a19a25e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d62d7b5dabf14cc2d3ab1b52c42120746ccae871c4ea57af99ec1a19a25e0a", kill_on_drop: false }`
[INFO] [stdout] d4d62d7b5dabf14cc2d3ab1b52c42120746ccae871c4ea57af99ec1a19a25e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83dc6fcb057a6bd54db83441a03b591c8c8cff9777a4db554fd6e43abe93613c
[INFO] running `Command { std: "docker" "start" "-a" "83dc6fcb057a6bd54db83441a03b591c8c8cff9777a4db554fd6e43abe93613c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, cell::Cell};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Placement` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Placement {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CellState` is never used
[INFO] [stdout]  --> src/lib.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum CellState {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_placements` is never used
[INFO] [stdout]   --> src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn find_placements(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_placements_at` is never used
[INFO] [stdout]   --> src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn find_placements_at(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `placements_valid` is never used
[INFO] [stdout]   --> src/lib.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn placements_valid(placements: &Vec<Placement>, givens: &HashMap<u8, CellState>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nonogramix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, cell::Cell};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Unknown` and `Filled` are never constructed
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum CellState {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 10 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     Filled,
[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 0.68s
[INFO] running `Command { std: "docker" "inspect" "83dc6fcb057a6bd54db83441a03b591c8c8cff9777a4db554fd6e43abe93613c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83dc6fcb057a6bd54db83441a03b591c8c8cff9777a4db554fd6e43abe93613c", kill_on_drop: false }`
[INFO] [stdout] 83dc6fcb057a6bd54db83441a03b591c8c8cff9777a4db554fd6e43abe93613c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfa8df14e0490a272c517a96051712f284ce464e381e0d2101926dd86c4bba3e
[INFO] running `Command { std: "docker" "start" "-a" "dfa8df14e0490a272c517a96051712f284ce464e381e0d2101926dd86c4bba3e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `cell::Cell`
[INFO] [stderr]  --> src/lib.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, cell::Cell};
[INFO] [stderr]   |                                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Placement` is never constructed
[INFO] [stderr]  --> src/lib.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Placement {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `CellState` is never used
[INFO] [stderr]  --> src/lib.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 | enum CellState {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_placements` is never used
[INFO] [stderr]   --> src/lib.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn find_placements(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_placements_at` is never used
[INFO] [stderr]   --> src/lib.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn find_placements_at(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `placements_valid` is never used
[INFO] [stderr]   --> src/lib.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn placements_valid(placements: &Vec<Placement>, givens: &HashMap<u8, CellState>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nonogramix` (lib) generated 6 warnings (run `cargo fix --lib -p nonogramix` to apply 1 suggestion)
[INFO] [stderr] warning: variants `Unknown` and `Filled` are never constructed
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | enum CellState {
[INFO] [stderr]    |      --------- variants in this enum
[INFO] [stderr] 10 |     Unknown,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 11 |     Filled,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nonogramix` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nonogramix-1e422ebb0185432d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::find_placements_works ... ok
[INFO] [stdout] test tests::find_placements_works_with_givens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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/nonogramix-dcfda3d21630b238)
[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 nonogramix
[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" "dfa8df14e0490a272c517a96051712f284ce464e381e0d2101926dd86c4bba3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa8df14e0490a272c517a96051712f284ce464e381e0d2101926dd86c4bba3e", kill_on_drop: false }`
[INFO] [stdout] dfa8df14e0490a272c517a96051712f284ce464e381e0d2101926dd86c4bba3e