[INFO] fetching crate neu 0.0.0...
[INFO] testing neu-0.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate neu 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate neu 0.0.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neu 0.0.0
[INFO] finished tweaking crates.io crate neu 0.0.0
[INFO] tweaked toml for crates.io crate neu 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate neu 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded blocking v1.0.2
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded async-executor v1.4.1
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded catty v0.1.4
[INFO] [stderr]   Downloaded generator v0.6.25
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded async-trait v0.1.50
[INFO] [stderr]   Downloaded pin-project v1.0.7
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded spinny v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded xtra v0.5.1
[INFO] [stderr]   Downloaded barrage v0.2.1
[INFO] [stderr]   Downloaded xi-rope v0.3.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.7
[INFO] [stderr]   Downloaded pollster v0.2.4
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded signal-hook v0.3.8
[INFO] [stderr]   Downloaded async-io v1.4.1
[INFO] [stderr]   Downloaded async-process v1.1.0
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded async-net v1.6.0
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded flume v0.10.5
[INFO] [stderr]   Downloaded polling v2.0.3
[INFO] [stderr]   Downloaded async-lock v2.4.0
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded async-channel v1.6.1
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded fastrand v1.4.1
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] edf1759f9e760d791618d3c169b87953c8c75bcb8df7a84920a0ed8e1239f959
[INFO] running `Command { std: "docker" "start" "-a" "edf1759f9e760d791618d3c169b87953c8c75bcb8df7a84920a0ed8e1239f959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf1759f9e760d791618d3c169b87953c8c75bcb8df7a84920a0ed8e1239f959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf1759f9e760d791618d3c169b87953c8c75bcb8df7a84920a0ed8e1239f959", kill_on_drop: false }`
[INFO] [stdout] edf1759f9e760d791618d3c169b87953c8c75bcb8df7a84920a0ed8e1239f959
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec742870edde5c67237bf12d7a252ef708bde8aec066f0d30003f1250cab45f9
[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" "ec742870edde5c67237bf12d7a252ef708bde8aec066f0d30003f1250cab45f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling pollster v0.2.4
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling catty v0.1.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling spinny v0.2.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling barrage v0.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-io v1.4.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling async-net v1.6.0
[INFO] [stderr]    Compiling async-process v1.1.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling xi-rope v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling flume v0.10.5
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling xtra v0.5.1
[INFO] [stderr]    Compiling neu v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/selection.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub(crate) count: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Line`
[INFO] [stdout]   --> src/selection.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "ec742870edde5c67237bf12d7a252ef708bde8aec066f0d30003f1250cab45f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec742870edde5c67237bf12d7a252ef708bde8aec066f0d30003f1250cab45f9", kill_on_drop: false }`
[INFO] [stdout] ec742870edde5c67237bf12d7a252ef708bde8aec066f0d30003f1250cab45f9
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a2a762d35658e0b3506fb464fd0fd9511b8ea28e1c7d63bb82b2c79a233539
[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" "b4a2a762d35658e0b3506fb464fd0fd9511b8ea28e1c7d63bb82b2c79a233539", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling neu v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/selection.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub(crate) count: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Line`
[INFO] [stdout]   --> src/selection.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "b4a2a762d35658e0b3506fb464fd0fd9511b8ea28e1c7d63bb82b2c79a233539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a2a762d35658e0b3506fb464fd0fd9511b8ea28e1c7d63bb82b2c79a233539", kill_on_drop: false }`
[INFO] [stdout] b4a2a762d35658e0b3506fb464fd0fd9511b8ea28e1c7d63bb82b2c79a233539
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f85174bf8e90d71d9c74477e3b93ae1e97c598db2089bd39899205261451a183
[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" "f85174bf8e90d71d9c74477e3b93ae1e97c598db2089bd39899205261451a183", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `count`
[INFO] [stderr]  --> src/selection.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub(crate) count: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Line`
[INFO] [stderr]   --> src/selection.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Line,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `neu` (bin "neu" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neu-52ebe85057fc3578)
[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" "f85174bf8e90d71d9c74477e3b93ae1e97c598db2089bd39899205261451a183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85174bf8e90d71d9c74477e3b93ae1e97c598db2089bd39899205261451a183", kill_on_drop: false }`
[INFO] [stdout] f85174bf8e90d71d9c74477e3b93ae1e97c598db2089bd39899205261451a183