[INFO] fetching crate jsonseq 0.1.1...
[INFO] testing jsonseq-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate jsonseq 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate jsonseq 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b646a139465420a27b0cced4ccd37b8a47219f8b1d6133bb62b89434f813e91
[INFO] running `Command { std: "docker" "start" "-a" "9b646a139465420a27b0cced4ccd37b8a47219f8b1d6133bb62b89434f813e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b646a139465420a27b0cced4ccd37b8a47219f8b1d6133bb62b89434f813e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b646a139465420a27b0cced4ccd37b8a47219f8b1d6133bb62b89434f813e91", kill_on_drop: false }`
[INFO] [stdout] 9b646a139465420a27b0cced4ccd37b8a47219f8b1d6133bb62b89434f813e91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6974a0e06567ed625fe73570925a9334b52cde90bccfcb35504b90149a459244
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6974a0e06567ed625fe73570925a9334b52cde90bccfcb35504b90149a459244", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling jsonseq v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.06s
[INFO] running `Command { std: "docker" "inspect" "6974a0e06567ed625fe73570925a9334b52cde90bccfcb35504b90149a459244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6974a0e06567ed625fe73570925a9334b52cde90bccfcb35504b90149a459244", kill_on_drop: false }`
[INFO] [stdout] 6974a0e06567ed625fe73570925a9334b52cde90bccfcb35504b90149a459244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89d79fa53ab4ab240aa097f71ec0fe12cbbbf4f1e4d33f423cf476d8662155ee
[INFO] running `Command { std: "docker" "start" "-a" "89d79fa53ab4ab240aa097f71ec0fe12cbbbf4f1e4d33f423cf476d8662155ee", 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 1.87s
[INFO] running `Command { std: "docker" "inspect" "89d79fa53ab4ab240aa097f71ec0fe12cbbbf4f1e4d33f423cf476d8662155ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d79fa53ab4ab240aa097f71ec0fe12cbbbf4f1e4d33f423cf476d8662155ee", kill_on_drop: false }`
[INFO] [stdout] 89d79fa53ab4ab240aa097f71ec0fe12cbbbf4f1e4d33f423cf476d8662155ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce2d1b9a942e5b50e7de8524f55f9108c17046d2a5669046ffa402100a24912c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce2d1b9a942e5b50e7de8524f55f9108c17046d2a5669046ffa402100a24912c", 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 15 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonseq-992c10c53c2ff58b)
[INFO] [stdout] test read::tests::json1 ... ok
[INFO] [stdout] test read::tests::json2 ... ok
[INFO] [stdout] test read::tests::nl1 ... ok
[INFO] [stdout] test read::tests::simple2 ... ok
[INFO] [stdout] test read::tests::json_with_nl1 ... ok
[INFO] [stdout] test tests::roundtrip1 ... ok
[INFO] [stdout] test read::tests::simple3 ... ok
[INFO] [stdout] test write::tests::raw1 ... ok
[INFO] [stdout] test write::tests::json1 ... ok
[INFO] [stdout] test read::tests::simple1 ... ok
[INFO] [stdout] test read::tests::empty1 ... ok
[INFO] [stdout] test read::tests::empty2 ... ok
[INFO] [stdout] test read::tests::simple4 ... ok
[INFO] [stdout] test read::tests::json_with_nl2 ... ok
[INFO] [stdout] test read::tests::simple5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "ce2d1b9a942e5b50e7de8524f55f9108c17046d2a5669046ffa402100a24912c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2d1b9a942e5b50e7de8524f55f9108c17046d2a5669046ffa402100a24912c", kill_on_drop: false }`
[INFO] [stdout] ce2d1b9a942e5b50e7de8524f55f9108c17046d2a5669046ffa402100a24912c