[INFO] fetching crate redict 0.2.3...
[INFO] checking redict-0.2.3 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate redict 0.2.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate redict 0.2.3 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redict 0.2.3
[INFO] finished tweaking crates.io crate redict 0.2.3
[INFO] tweaked toml for crates.io crate redict 0.2.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate redict 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bde1af2743ff5ff67379ece16017c79c0ff50f609d3d36d068fcf82e831a824
[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" "6bde1af2743ff5ff67379ece16017c79c0ff50f609d3d36d068fcf82e831a824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bde1af2743ff5ff67379ece16017c79c0ff50f609d3d36d068fcf82e831a824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bde1af2743ff5ff67379ece16017c79c0ff50f609d3d36d068fcf82e831a824", kill_on_drop: false }`
[INFO] [stdout] 6bde1af2743ff5ff67379ece16017c79c0ff50f609d3d36d068fcf82e831a824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--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] f9828f8d1e8f1097511fc349ab146f2e93c781ef9136645df1565d315bb41b5e
[INFO] running `Command { std: "docker" "start" "-a" "f9828f8d1e8f1097511fc349ab146f2e93c781ef9136645df1565d315bb41b5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking redict v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `widgets::Borders`
[INFO] [stdout]  --> src/searchbar.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tui::{Frame, backend::Backend, style::Style, widgets::Borders};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `widgets::Borders`
[INFO] [stdout]  --> src/searchbar.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tui::{Frame, backend::Backend, style::Style, widgets::Borders};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg_id`
[INFO] [stdout]   --> src/app.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     msg_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `First`
[INFO] [stdout]    --> src/app.rs:343:5
[INFO] [stdout]     |
[INFO] [stdout] 343 |     First,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Last`
[INFO] [stdout]    --> src/app.rs:344:5
[INFO] [stdout]     |
[INFO] [stdout] 344 |     Last,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg_id`
[INFO] [stdout]   --> src/app.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     msg_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `First`
[INFO] [stdout]    --> src/app.rs:343:5
[INFO] [stdout]     |
[INFO] [stdout] 343 |     First,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Last`
[INFO] [stdout]    --> src/app.rs:344:5
[INFO] [stdout]     |
[INFO] [stdout] 344 |     Last,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.60s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9828f8d1e8f1097511fc349ab146f2e93c781ef9136645df1565d315bb41b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9828f8d1e8f1097511fc349ab146f2e93c781ef9136645df1565d315bb41b5e", kill_on_drop: false }`
[INFO] [stdout] f9828f8d1e8f1097511fc349ab146f2e93c781ef9136645df1565d315bb41b5e