[INFO] cloning repository https://github.com/mtn/ipsum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtn/ipsum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtn%2Fipsum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtn%2Fipsum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02ed7e3c66299e8bda3623eaff8ee06c00de982f
[INFO] checking mtn/ipsum against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtn%2Fipsum" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtn/ipsum on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mtn/ipsum
[INFO] finished tweaking git repo https://github.com/mtn/ipsum
[INFO] tweaked toml for git repo https://github.com/mtn/ipsum written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mtn/ipsum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ropey v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 1d945e800ead631328a4c64e579552642e751a2e791b299d9ea02d52487161d7
[INFO] running `Command { std: "docker" "start" "-a" "1d945e800ead631328a4c64e579552642e751a2e791b299d9ea02d52487161d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d945e800ead631328a4c64e579552642e751a2e791b299d9ea02d52487161d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d945e800ead631328a4c64e579552642e751a2e791b299d9ea02d52487161d7", kill_on_drop: false }`
[INFO] [stdout] 1d945e800ead631328a4c64e579552642e751a2e791b299d9ea02d52487161d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be1b21499989264cf99b60b2d19ed50068bc1fbe171b0b9b5fd528d1730e2cd2
[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" "be1b21499989264cf99b60b2d19ed50068bc1fbe171b0b9b5fd528d1730e2cd2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking ropey v0.8.0
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking ipsum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set_name`
[INFO] [stdout]   --> src/buffer.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn set_name(&mut self, filename: &str) -> Option<Buffer> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/buffer.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn save(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Insert`
[INFO] [stdout]  --> src/editor.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Insert,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffers`
[INFO] [stdout]   --> src/editor.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     buffers: Vec<Buffer>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]   --> src/editor.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     mode: Mode,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_name`
[INFO] [stdout]   --> src/buffer.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn set_name(&mut self, filename: &str) -> Option<Buffer> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/buffer.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn save(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Insert`
[INFO] [stdout]  --> src/editor.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Insert,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffers`
[INFO] [stdout]   --> src/editor.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     buffers: Vec<Buffer>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]   --> src/editor.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     mode: Mode,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "be1b21499989264cf99b60b2d19ed50068bc1fbe171b0b9b5fd528d1730e2cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1b21499989264cf99b60b2d19ed50068bc1fbe171b0b9b5fd528d1730e2cd2", kill_on_drop: false }`
[INFO] [stdout] be1b21499989264cf99b60b2d19ed50068bc1fbe171b0b9b5fd528d1730e2cd2