[INFO] fetching crate jsonseq 0.1.1...
[INFO] testing jsonseq-0.1.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[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 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 077a6bcf68a64e3771c6834ecfa4cd7e11aa9576f31ea462290d7ed24d0ea25f
[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" "077a6bcf68a64e3771c6834ecfa4cd7e11aa9576f31ea462290d7ed24d0ea25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "077a6bcf68a64e3771c6834ecfa4cd7e11aa9576f31ea462290d7ed24d0ea25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077a6bcf68a64e3771c6834ecfa4cd7e11aa9576f31ea462290d7ed24d0ea25f", kill_on_drop: false }`
[INFO] [stdout] 077a6bcf68a64e3771c6834ecfa4cd7e11aa9576f31ea462290d7ed24d0ea25f
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d351c2aeb370f0d9affbfb50df9757b3749daeeff234e2e36cbe7fd1092c9087
[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" "d351c2aeb370f0d9affbfb50df9757b3749daeeff234e2e36cbe7fd1092c9087", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[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 syn v1.0.72
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling jsonseq v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.26s
[INFO] running `Command { std: "docker" "inspect" "d351c2aeb370f0d9affbfb50df9757b3749daeeff234e2e36cbe7fd1092c9087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d351c2aeb370f0d9affbfb50df9757b3749daeeff234e2e36cbe7fd1092c9087", kill_on_drop: false }`
[INFO] [stdout] d351c2aeb370f0d9affbfb50df9757b3749daeeff234e2e36cbe7fd1092c9087
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19f3881d421191a09a2a744327beca7b1cf5667f724557394ba55bea0b68ad3b
[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" "19f3881d421191a09a2a744327beca7b1cf5667f724557394ba55bea0b68ad3b", 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 1.24s
[INFO] running `Command { std: "docker" "inspect" "19f3881d421191a09a2a744327beca7b1cf5667f724557394ba55bea0b68ad3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f3881d421191a09a2a744327beca7b1cf5667f724557394ba55bea0b68ad3b", kill_on_drop: false }`
[INFO] [stdout] 19f3881d421191a09a2a744327beca7b1cf5667f724557394ba55bea0b68ad3b
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90dfc0c0af19619df44a4f77ab1989878126c5967e10dffeeb3ab2ac6b639534
[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" "90dfc0c0af19619df44a4f77ab1989878126c5967e10dffeeb3ab2ac6b639534", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 15 tests
[INFO] [stderr]   --> src/write.rs:56:13
[INFO] [stdout] test read::tests::empty1 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test read::tests::empty2 ... ok
[INFO] [stderr] 56 |         let mut buf = Vec::new();
[INFO] [stdout] test read::tests::json2 ... ok
[INFO] [stderr]    |             ----^^^
[INFO] [stdout] test read::tests::json_with_nl1 ... ok
[INFO] [stderr]    |             |
[INFO] [stdout] test read::tests::json_with_nl2 ... ok
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stdout] test read::tests::simple2 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test read::tests::simple3 ... ok
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] test read::tests::simple4 ... ok
[INFO] [stderr] 
[INFO] [stdout] test read::tests::simple1 ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test read::tests::simple5 ... ok
[INFO] [stderr] 
[INFO] [stdout] test write::tests::json1 ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test read::tests::nl1 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonseq-b0aa6041a936c37d)
[INFO] [stdout] test write::tests::raw1 ... ok
[INFO] [stderr]    Doc-tests jsonseq
[INFO] [stdout] test read::tests::json1 ... ok
[INFO] [stdout] test tests::roundtrip1 ... 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] [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" "90dfc0c0af19619df44a4f77ab1989878126c5967e10dffeeb3ab2ac6b639534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90dfc0c0af19619df44a4f77ab1989878126c5967e10dffeeb3ab2ac6b639534", kill_on_drop: false }`
[INFO] [stdout] 90dfc0c0af19619df44a4f77ab1989878126c5967e10dffeeb3ab2ac6b639534