[INFO] fetching crate lino 0.9.2...
[INFO] checking lino-0.9.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate lino 0.9.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lino 0.9.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lino 0.9.2
[INFO] finished tweaking crates.io crate lino 0.9.2
[INFO] tweaked toml for crates.io crate lino 0.9.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate lino 0.9.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11-clipboard v0.5.1
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.2
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded indexmap v1.5.2
[INFO] [stderr]   Downloaded onig v6.1.1
[INFO] [stderr]   Downloaded onig_sys v69.6.0
[INFO] [stderr]   Downloaded syntect v4.5.0
[INFO] [stderr]   Downloaded copypasta v0.7.1
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
[INFO] [stderr]   Downloaded plist v1.0.1
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 7e00442d8cbc6461d4ac8bfb0252b361a297b29a8c6aeb6d98d15e0dcc436d21
[INFO] running `Command { std: "docker" "start" "-a" "7e00442d8cbc6461d4ac8bfb0252b361a297b29a8c6aeb6d98d15e0dcc436d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e00442d8cbc6461d4ac8bfb0252b361a297b29a8c6aeb6d98d15e0dcc436d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e00442d8cbc6461d4ac8bfb0252b361a297b29a8c6aeb6d98d15e0dcc436d21", kill_on_drop: false }`
[INFO] [stdout] 7e00442d8cbc6461d4ac8bfb0252b361a297b29a8c6aeb6d98d15e0dcc436d21
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75c59d22d9119d30b953c1dc1b46950308b7fb11311a7f3e1cdd58125d99b48f
[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" "75c59d22d9119d30b953c1dc1b46950308b7fb11311a7f3e1cdd58125d99b48f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling wayland-client v0.28.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.2
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking wayland-commons v0.28.2
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking plist v1.0.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking onig v6.1.1
[INFO] [stderr]     Checking wayland-cursor v0.28.2
[INFO] [stderr]     Checking syntect v4.5.0
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.1
[INFO] [stderr]     Checking smithay-clipboard v0.6.2
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking lino v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `run_as_read_only`
[INFO] [stdout]    --> src/lino/init.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn run_as_read_only(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_as_read_only`
[INFO] [stdout]    --> src/lino/init.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn run_as_read_only(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.92s
[INFO] running `Command { std: "docker" "inspect" "75c59d22d9119d30b953c1dc1b46950308b7fb11311a7f3e1cdd58125d99b48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c59d22d9119d30b953c1dc1b46950308b7fb11311a7f3e1cdd58125d99b48f", kill_on_drop: false }`
[INFO] [stdout] 75c59d22d9119d30b953c1dc1b46950308b7fb11311a7f3e1cdd58125d99b48f