[INFO] cloning repository https://github.com/uma-subbiah/ls--clone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uma-subbiah/ls--clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuma-subbiah%2Fls--clone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuma-subbiah%2Fls--clone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 405d5479608e1525475f8859e1960dae5268bc33
[INFO] checking uma-subbiah/ls--clone against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuma-subbiah%2Fls--clone" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uma-subbiah/ls--clone
[INFO] finished tweaking git repo https://github.com/uma-subbiah/ls--clone
[INFO] tweaked toml for git repo https://github.com/uma-subbiah/ls--clone written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uma-subbiah/ls--clone on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uma-subbiah/ls--clone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1d72b8df51026420d076827a005e0be5b92bd9a6aee81ae67b9db12a795923f
[INFO] running `Command { std: "docker" "start" "-a" "f1d72b8df51026420d076827a005e0be5b92bd9a6aee81ae67b9db12a795923f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1d72b8df51026420d076827a005e0be5b92bd9a6aee81ae67b9db12a795923f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d72b8df51026420d076827a005e0be5b92bd9a6aee81ae67b9db12a795923f", kill_on_drop: false }`
[INFO] [stdout] f1d72b8df51026420d076827a005e0be5b92bd9a6aee81ae67b9db12a795923f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1db87f16db71f4eba768c55909d16736d0acd9f83431553067f222ad8760b88
[INFO] running `Command { std: "docker" "start" "-a" "c1db87f16db71f4eba768c55909d16736d0acd9f83431553067f222ad8760b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:98:3
[INFO] [stdout]     |
[INFO] [stdout]  98 | /   /// Formats the time output, options are Rust time formats like %Y-%m-%d %H:%M:%S (default), %b %e %H:%M , %a %b %e %T %Y and rearrange...
[INFO] [stdout]  99 | |   #[structopt(long = "time-style", default_value = "%Y-%m-%d %H:%M:%S")]
[INFO] [stdout] 100 | |   pub time_style: String,
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:98:3
[INFO] [stdout]     |
[INFO] [stdout]  98 | /   /// Formats the time output, options are Rust time formats like %Y-%m-%d %H:%M:%S (default), %b %e %H:%M , %a %b %e %T %Y and rearrange...
[INFO] [stdout]  99 | |   #[structopt(long = "time-style", default_value = "%Y-%m-%d %H:%M:%S")]
[INFO] [stdout] 100 | |   pub time_style: String,
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:106:3
[INFO] [stdout]     |
[INFO] [stdout] 106 | /   /// Takes as input the criteria to sort based on
[INFO] [stdout] 107 | |   #[structopt(long = "sort", default_value = "create")]
[INFO] [stdout] 108 | |   pub sort: String,
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:106:3
[INFO] [stdout]     |
[INFO] [stdout] 106 | /   /// Takes as input the criteria to sort based on
[INFO] [stdout] 107 | |   #[structopt(long = "sort", default_value = "create")]
[INFO] [stdout] 108 | |   pub sort: String,
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ls` (bin "ls") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ls` (bin "ls" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c1db87f16db71f4eba768c55909d16736d0acd9f83431553067f222ad8760b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1db87f16db71f4eba768c55909d16736d0acd9f83431553067f222ad8760b88", kill_on_drop: false }`
[INFO] [stdout] c1db87f16db71f4eba768c55909d16736d0acd9f83431553067f222ad8760b88