[INFO] fetching crate lazy_vec 0.3.0...
[INFO] testing lazy_vec-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate lazy_vec 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lazy_vec 0.3.0
[INFO] finished tweaking crates.io crate lazy_vec 0.3.0
[INFO] tweaked toml for crates.io crate lazy_vec 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lazy_vec 0.3.0 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 lazy_vec 0.3.0 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] b526cd93ee169207f69a18aae90ba44cbd2e8d03427f79d090b190e52a2664fc
[INFO] running `Command { std: "docker" "start" "-a" "b526cd93ee169207f69a18aae90ba44cbd2e8d03427f79d090b190e52a2664fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b526cd93ee169207f69a18aae90ba44cbd2e8d03427f79d090b190e52a2664fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b526cd93ee169207f69a18aae90ba44cbd2e8d03427f79d090b190e52a2664fc", kill_on_drop: false }`
[INFO] [stdout] b526cd93ee169207f69a18aae90ba44cbd2e8d03427f79d090b190e52a2664fc
[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] 9aa29d7a9200108e5ebbb88238c2d7f14511ce0667d140fa6b7acebc52453ef2
[INFO] running `Command { std: "docker" "start" "-a" "9aa29d7a9200108e5ebbb88238c2d7f14511ce0667d140fa6b7acebc52453ef2", kill_on_drop: false }`
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling tempus_fugit v0.11.0
[INFO] [stderr]    Compiling lazy_vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "9aa29d7a9200108e5ebbb88238c2d7f14511ce0667d140fa6b7acebc52453ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa29d7a9200108e5ebbb88238c2d7f14511ce0667d140fa6b7acebc52453ef2", kill_on_drop: false }`
[INFO] [stdout] 9aa29d7a9200108e5ebbb88238c2d7f14511ce0667d140fa6b7acebc52453ef2
[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] b55770968d8211e76fa949d75b86beb5fb709774b9e05c79bc1d6378d0a92e72
[INFO] running `Command { std: "docker" "start" "-a" "b55770968d8211e76fa949d75b86beb5fb709774b9e05c79bc1d6378d0a92e72", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/lib.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let v: LazyVec<_, usize> = lazy_vec!["a value"; as String; named "Example"];
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/lib.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let v: LazyVec<_, usize> = lazy_vec!["a value"; as String; named "Example"; 1024];
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "b55770968d8211e76fa949d75b86beb5fb709774b9e05c79bc1d6378d0a92e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55770968d8211e76fa949d75b86beb5fb709774b9e05c79bc1d6378d0a92e72", kill_on_drop: false }`
[INFO] [stdout] b55770968d8211e76fa949d75b86beb5fb709774b9e05c79bc1d6378d0a92e72
[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] b16f4f22f1e9e66dd7bb44a8d357c4ccefb2528ee6eda026e6c73c93bd6c4b0b
[INFO] running `Command { std: "docker" "start" "-a" "b16f4f22f1e9e66dd7bb44a8d357c4ccefb2528ee6eda026e6c73c93bd6c4b0b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/lib.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |         let v: LazyVec<_, usize> = lazy_vec!["a value"; as String; named "Example"];
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/lib.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |         let v: LazyVec<_, usize> = lazy_vec!["a value"; as String; named "Example"; 1024];
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: `lazy_vec` (lib test) generated 2 warnings (run `cargo fix --lib -p lazy_vec --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lazy_vec-d3021e40b85816df)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::init_with_custom_len ... ok
[INFO] [stdout] test tests::init_with_default_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lazy_vec
[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" "b16f4f22f1e9e66dd7bb44a8d357c4ccefb2528ee6eda026e6c73c93bd6c4b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16f4f22f1e9e66dd7bb44a8d357c4ccefb2528ee6eda026e6c73c93bd6c4b0b", kill_on_drop: false }`
[INFO] [stdout] b16f4f22f1e9e66dd7bb44a8d357c4ccefb2528ee6eda026e6c73c93bd6c4b0b