[INFO] cloning repository https://github.com/newsch/collascii-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/newsch/collascii-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewsch%2Fcollascii-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewsch%2Fcollascii-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0401a5a130d3d9f2719230cde722f2244e36d2fe
[INFO] checking newsch/collascii-rs 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%2Fnewsch%2Fcollascii-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/newsch/collascii-rs
[INFO] finished tweaking git repo https://github.com/newsch/collascii-rs
[INFO] tweaked toml for git repo https://github.com/newsch/collascii-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/newsch/collascii-rs 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/newsch/collascii-rs 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 08284d0ebb61fe19a2b25ac56f00320a8bb3f7d48d93843afb6e96bb80459be6
[INFO] running `Command { std: "docker" "start" "-a" "08284d0ebb61fe19a2b25ac56f00320a8bb3f7d48d93843afb6e96bb80459be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08284d0ebb61fe19a2b25ac56f00320a8bb3f7d48d93843afb6e96bb80459be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08284d0ebb61fe19a2b25ac56f00320a8bb3f7d48d93843afb6e96bb80459be6", kill_on_drop: false }`
[INFO] [stdout] 08284d0ebb61fe19a2b25ac56f00320a8bb3f7d48d93843afb6e96bb80459be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fcb1977dc523aeedcd87500bd78204099e77ff7fc23fed3577793255b9ffd8db
[INFO] running `Command { std: "docker" "start" "-a" "fcb1977dc523aeedcd87500bd78204099e77ff7fc23fed3577793255b9ffd8db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking collascii v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/network/message.rs:434:38
[INFO] [stdout]     |
[INFO] [stdout] 434 |             assert!(result.is_err(), *description);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 434 |             assert!(result.is_err(), "{}", *description);
[INFO] [stdout]     |                                      +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/cl_restore.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     /// IP/hostname to connect to
[INFO] [stdout] 48 | |     #[structopt(default_value = "127.0.0.1")]
[INFO] [stdout] 49 | |     host: 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]   --> examples/cl_restore.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     /// File to read from (defaults to stdin)
[INFO] [stdout] 56 | |     #[structopt(long, short)]
[INFO] [stdout] 57 | |     file: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `collascii` (example "cl_restore") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/server.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     /// IP/hostname to listen on
[INFO] [stdout] 60 | |     #[structopt(long, default_value = "127.0.0.1")]
[INFO] [stdout] 61 | |     host: 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]   --> examples/an-ascii-place.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// IP/hostname to listen on
[INFO] [stdout] 39 | |     #[structopt(long, default_value = "127.0.0.1")]
[INFO] [stdout] 40 | |     host: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `collascii` (example "an-ascii-place") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/cl_dump.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// IP/hostname to connect to
[INFO] [stdout] 32 | |     #[structopt(default_value = "127.0.0.1")]
[INFO] [stdout] 33 | |     host: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `collascii` (example "server") due to 1 previous error
[INFO] [stderr] error: could not compile `collascii` (example "cl_dump") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fcb1977dc523aeedcd87500bd78204099e77ff7fc23fed3577793255b9ffd8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb1977dc523aeedcd87500bd78204099e77ff7fc23fed3577793255b9ffd8db", kill_on_drop: false }`
[INFO] [stdout] fcb1977dc523aeedcd87500bd78204099e77ff7fc23fed3577793255b9ffd8db
