[INFO] fetching crate problem-spec 0.2.0...
[INFO] testing problem-spec-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate problem-spec 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate problem-spec 0.2.0
[INFO] finished tweaking crates.io crate problem-spec 0.2.0
[INFO] tweaked toml for crates.io crate problem-spec 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate problem-spec 0.2.0 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 crates.io crate problem-spec 0.2.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4384fc47d44430cf38d9057f56603b6b2ddffdad06dd6f4988d29a05e3ec76b9
[INFO] running `Command { std: "docker" "start" "-a" "4384fc47d44430cf38d9057f56603b6b2ddffdad06dd6f4988d29a05e3ec76b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4384fc47d44430cf38d9057f56603b6b2ddffdad06dd6f4988d29a05e3ec76b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4384fc47d44430cf38d9057f56603b6b2ddffdad06dd6f4988d29a05e3ec76b9", kill_on_drop: false }`
[INFO] [stdout] 4384fc47d44430cf38d9057f56603b6b2ddffdad06dd6f4988d29a05e3ec76b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 46dbdee20b295c0051d1c1fd4e6868390f0fbab728336e8d2939f0f86867ca3a
[INFO] running `Command { std: "docker" "start" "-a" "46dbdee20b295c0051d1c1fd4e6868390f0fbab728336e8d2939f0f86867ca3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling bon-macros v2.3.0
[INFO] [stderr]    Compiling bon v2.3.0
[INFO] [stderr]    Compiling problem-spec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/problem_spec.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ExtraKv {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn insert(mut self, k: &str, v: &str) -> Self {
[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 `Severity` is never used
[INFO] [stdout]  --> src/problem.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Severity {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProblemSpec` is never constructed
[INFO] [stdout]   --> src/problem.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct ProblemSpec<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.63s
[INFO] running `Command { std: "docker" "inspect" "46dbdee20b295c0051d1c1fd4e6868390f0fbab728336e8d2939f0f86867ca3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dbdee20b295c0051d1c1fd4e6868390f0fbab728336e8d2939f0f86867ca3a", kill_on_drop: false }`
[INFO] [stdout] 46dbdee20b295c0051d1c1fd4e6868390f0fbab728336e8d2939f0f86867ca3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e6b57845637904e4d2fea3f993c8675082c94e69b74b3ddeb7d97a8817145029
[INFO] running `Command { std: "docker" "start" "-a" "e6b57845637904e4d2fea3f993c8675082c94e69b74b3ddeb7d97a8817145029", kill_on_drop: false }`
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/problem_spec.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ExtraKv {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn insert(mut self, k: &str, v: &str) -> Self {
[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 `Severity` is never used
[INFO] [stdout]  --> src/problem.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Severity {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProblemSpec` is never constructed
[INFO] [stdout]   --> src/problem.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct ProblemSpec<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling problem-spec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/problem_spec.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/problem_spec.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ExtraKv {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn insert(mut self, k: &str, v: &str) -> Self {
[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 `Severity` is never used
[INFO] [stdout]  --> src/problem.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Severity {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "e6b57845637904e4d2fea3f993c8675082c94e69b74b3ddeb7d97a8817145029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b57845637904e4d2fea3f993c8675082c94e69b74b3ddeb7d97a8817145029", kill_on_drop: false }`
[INFO] [stdout] e6b57845637904e4d2fea3f993c8675082c94e69b74b3ddeb7d97a8817145029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 663911aa6c1009b5e440f2f84abc893a8d9ea34c538146dc92b79d6852ed134a
[INFO] running `Command { std: "docker" "start" "-a" "663911aa6c1009b5e440f2f84abc893a8d9ea34c538146dc92b79d6852ed134a", kill_on_drop: false }`
[INFO] [stderr] warning: method `insert` is never used
[INFO] [stderr]   --> src/problem_spec.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | impl ExtraKv {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     fn insert(mut self, k: &str, v: &str) -> Self {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Severity` is never used
[INFO] [stderr]  --> src/problem.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Severity {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ProblemSpec` is never constructed
[INFO] [stderr]   --> src/problem.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct ProblemSpec<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]    --> src/problem_spec.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     use std::collections::HashMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `problem-spec` (lib) generated 3 warnings
[INFO] [stderr] warning: `problem-spec` (lib test) generated 3 warnings (2 duplicates) (run `cargo fix --lib -p problem-spec --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/problem_spec-b6b4f8093da70977)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test problem_spec::test::test_ok ... ok
[INFO] [stdout] test problem::test::test_ok ... 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]    Doc-tests problem_spec
[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" "663911aa6c1009b5e440f2f84abc893a8d9ea34c538146dc92b79d6852ed134a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663911aa6c1009b5e440f2f84abc893a8d9ea34c538146dc92b79d6852ed134a", kill_on_drop: false }`
[INFO] [stdout] 663911aa6c1009b5e440f2f84abc893a8d9ea34c538146dc92b79d6852ed134a