[INFO] cloning repository https://github.com/emkay/sksh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emkay/sksh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femkay%2Fsksh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femkay%2Fsksh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f39ab9a6341c049289f353948d3b4ce56dbbaa7b
[INFO] checking emkay/sksh against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femkay%2Fsksh" "/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/emkay/sksh on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emkay/sksh
[INFO] finished tweaking git repo https://github.com/emkay/sksh
[INFO] tweaked toml for git repo https://github.com/emkay/sksh written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/emkay/sksh already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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] 1f311ddbbaf633ce2ff8b648c1b75bbdc408666a9a9275fd4cd59f773e71f411
[INFO] running `Command { std: "docker" "start" "-a" "1f311ddbbaf633ce2ff8b648c1b75bbdc408666a9a9275fd4cd59f773e71f411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f311ddbbaf633ce2ff8b648c1b75bbdc408666a9a9275fd4cd59f773e71f411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f311ddbbaf633ce2ff8b648c1b75bbdc408666a9a9275fd4cd59f773e71f411", kill_on_drop: false }`
[INFO] [stdout] 1f311ddbbaf633ce2ff8b648c1b75bbdc408666a9a9275fd4cd59f773e71f411
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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] 1efdfbfa5d4d0f3ee3e686c1f551475cbd754816b29a2f3653132a31dca0b86f
[INFO] running `Command { std: "docker" "start" "-a" "1efdfbfa5d4d0f3ee3e686c1f551475cbd754816b29a2f3653132a31dca0b86f", kill_on_drop: false }`
[INFO] [stderr]     Checking suffix v1.0.0
[INFO] [stderr]     Checking sksh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         0 => std::env::home_dir(),
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         0 => std::env::home_dir(),
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             return exit(code);
[INFO] [stdout]    |             ^^^^^^^----------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             return exit(code);
[INFO] [stdout]    |             ^^^^^^^----------
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      any code following this expression is unreachable
[INFO] [stdout]    |             unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "1efdfbfa5d4d0f3ee3e686c1f551475cbd754816b29a2f3653132a31dca0b86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efdfbfa5d4d0f3ee3e686c1f551475cbd754816b29a2f3653132a31dca0b86f", kill_on_drop: false }`
[INFO] [stdout] 1efdfbfa5d4d0f3ee3e686c1f551475cbd754816b29a2f3653132a31dca0b86f