[INFO] cloning repository https://github.com/mpalmer/socketee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mpalmer/socketee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpalmer%2Fsocketee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpalmer%2Fsocketee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8971cb306638e8d4a7246161a05c3ee45a34c10
[INFO] checking mpalmer/socketee against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpalmer%2Fsocketee" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mpalmer/socketee 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/mpalmer/socketee
[INFO] finished tweaking git repo https://github.com/mpalmer/socketee
[INFO] tweaked toml for git repo https://github.com/mpalmer/socketee written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mpalmer/socketee 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4c42b6f958e5de0a55bbd8d76954cf78b53b0324f66a3e254647cf8bf3e1b7ca
[INFO] running `Command { std: "docker" "start" "-a" "4c42b6f958e5de0a55bbd8d76954cf78b53b0324f66a3e254647cf8bf3e1b7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c42b6f958e5de0a55bbd8d76954cf78b53b0324f66a3e254647cf8bf3e1b7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c42b6f958e5de0a55bbd8d76954cf78b53b0324f66a3e254647cf8bf3e1b7ca", kill_on_drop: false }`
[INFO] [stdout] 4c42b6f958e5de0a55bbd8d76954cf78b53b0324f66a3e254647cf8bf3e1b7ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e6cd170a0a4b8eaab280e8bc8bf615ea8fd22d08cf41f6f9e42ec0970adb38e
[INFO] running `Command { std: "docker" "start" "-a" "7e6cd170a0a4b8eaab280e8bc8bf615ea8fd22d08cf41f6f9e42ec0970adb38e", kill_on_drop: false }`
[INFO] [stderr]     Checking socketee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/lib.rs:16:86
[INFO] [stdout]    |
[INFO] [stdout] 16 |         eprintln!("{}", std::ffi::OsStr::from_bytes(&buf[..count]).to_str().unwrap().trim_right());
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/lib.rs:16:86
[INFO] [stdout]    |
[INFO] [stdout] 16 |         eprintln!("{}", std::ffi::OsStr::from_bytes(&buf[..count]).to_str().unwrap().trim_right());
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "7e6cd170a0a4b8eaab280e8bc8bf615ea8fd22d08cf41f6f9e42ec0970adb38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6cd170a0a4b8eaab280e8bc8bf615ea8fd22d08cf41f6f9e42ec0970adb38e", kill_on_drop: false }`
[INFO] [stdout] 7e6cd170a0a4b8eaab280e8bc8bf615ea8fd22d08cf41f6f9e42ec0970adb38e