[INFO] fetching crate tui-realm-treeview 0.2.0...
[INFO] checking tui-realm-treeview-0.2.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate tui-realm-treeview 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tui-realm-treeview 0.2.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tui-realm-treeview 0.2.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate tui-realm-treeview 0.2.0
[INFO] tweaked toml for crates.io crate tui-realm-treeview 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tui-realm-treeview 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui-tree-widget v0.6.0
[INFO] [stderr]   Downloaded tuirealm v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32f5539112e9c153827e9724e93716fdc2cd15bb7a42fa54b8b0050464058d57
[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" "32f5539112e9c153827e9724e93716fdc2cd15bb7a42fa54b8b0050464058d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f5539112e9c153827e9724e93716fdc2cd15bb7a42fa54b8b0050464058d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f5539112e9c153827e9724e93716fdc2cd15bb7a42fa54b8b0050464058d57", kill_on_drop: false }`
[INFO] [stdout] 32f5539112e9c153827e9724e93716fdc2cd15bb7a42fa54b8b0050464058d57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c86361d5be7a77c18a8faddfebaba682fa1f6e1a3f9ed8e00211b5ed96689a4
[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" "5c86361d5be7a77c18a8faddfebaba682fa1f6e1a3f9ed8e00211b5ed96689a4", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking tui v0.15.0
[INFO] [stderr]     Checking tui-tree-widget v0.6.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.1
[INFO] [stderr]     Checking textwrap v0.14.0
[INFO] [stderr]     Checking tuirealm v0.4.0
[INFO] [stderr]     Checking tui-realm-treeview v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `Command { std: "docker" "inspect" "5c86361d5be7a77c18a8faddfebaba682fa1f6e1a3f9ed8e00211b5ed96689a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c86361d5be7a77c18a8faddfebaba682fa1f6e1a3f9ed8e00211b5ed96689a4", kill_on_drop: false }`
[INFO] [stdout] 5c86361d5be7a77c18a8faddfebaba682fa1f6e1a3f9ed8e00211b5ed96689a4