[INFO] fetching crate jsonseq 0.1.1...
[INFO] testing jsonseq-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate jsonseq 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jsonseq 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonseq 0.1.1
[INFO] finished tweaking crates.io crate jsonseq 0.1.1
[INFO] tweaked toml for crates.io crate jsonseq 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec0e3a9eb4df31ea0fc33f8f66acc8250486b585539421d3688d8d8026adaa09
[INFO] running `Command { std: "docker" "start" "-a" "ec0e3a9eb4df31ea0fc33f8f66acc8250486b585539421d3688d8d8026adaa09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec0e3a9eb4df31ea0fc33f8f66acc8250486b585539421d3688d8d8026adaa09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0e3a9eb4df31ea0fc33f8f66acc8250486b585539421d3688d8d8026adaa09", kill_on_drop: false }`
[INFO] [stdout] ec0e3a9eb4df31ea0fc33f8f66acc8250486b585539421d3688d8d8026adaa09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c54a6f5f9f358bcf57d62a12d2713c2cbed876632bb094da36fc021bb791eb53
[INFO] running `Command { std: "docker" "start" "-a" "c54a6f5f9f358bcf57d62a12d2713c2cbed876632bb094da36fc021bb791eb53", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling jsonseq v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "c54a6f5f9f358bcf57d62a12d2713c2cbed876632bb094da36fc021bb791eb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54a6f5f9f358bcf57d62a12d2713c2cbed876632bb094da36fc021bb791eb53", kill_on_drop: false }`
[INFO] [stdout] c54a6f5f9f358bcf57d62a12d2713c2cbed876632bb094da36fc021bb791eb53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01bea634a96bc4369f19fc1ee5eda3208f94ad87b93a71666993b8d1c3f7f92d
[INFO] running `Command { std: "docker" "start" "-a" "01bea634a96bc4369f19fc1ee5eda3208f94ad87b93a71666993b8d1c3f7f92d", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonseq v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/write.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut buf = Vec::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/jsonseq-5380be89c0266935)
[INFO] running `Command { std: "docker" "inspect" "01bea634a96bc4369f19fc1ee5eda3208f94ad87b93a71666993b8d1c3f7f92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bea634a96bc4369f19fc1ee5eda3208f94ad87b93a71666993b8d1c3f7f92d", kill_on_drop: false }`
[INFO] [stdout] 01bea634a96bc4369f19fc1ee5eda3208f94ad87b93a71666993b8d1c3f7f92d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a7f1b2eda401b6e75ff932dfc04614c22723e6312c73adc33e36c2a730895fe
[INFO] running `Command { std: "docker" "start" "-a" "5a7f1b2eda401b6e75ff932dfc04614c22723e6312c73adc33e36c2a730895fe", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/write.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut buf = Vec::new();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jsonseq` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jsonseq-5380be89c0266935)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test read::tests::empty1 ... ok
[INFO] [stdout] test read::tests::empty2 ... ok
[INFO] [stdout] test read::tests::json1 ... ok
[INFO] [stdout] test read::tests::json2 ... ok
[INFO] [stdout] test read::tests::json_with_nl1 ... ok
[INFO] [stdout] test read::tests::nl1 ... ok
[INFO] [stdout] test read::tests::json_with_nl2 ... ok
[INFO] [stdout] test read::tests::simple1 ... ok
[INFO] [stdout] test read::tests::simple2 ... ok
[INFO] [stdout] test read::tests::simple3 ... ok
[INFO] [stdout] test read::tests::simple4 ... ok
[INFO] [stdout] test read::tests::simple5 ... ok
[INFO] [stdout] test tests::roundtrip1 ... ok
[INFO] [stdout] test write::tests::raw1 ... ok
[INFO] [stdout] test write::tests::json1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonseq
[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" "5a7f1b2eda401b6e75ff932dfc04614c22723e6312c73adc33e36c2a730895fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7f1b2eda401b6e75ff932dfc04614c22723e6312c73adc33e36c2a730895fe", kill_on_drop: false }`
[INFO] [stdout] 5a7f1b2eda401b6e75ff932dfc04614c22723e6312c73adc33e36c2a730895fe