[INFO] cloning repository https://github.com/yvt/veisku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yvt/veisku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Fveisku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Fveisku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3bde6dc4a9fdd0f5a51b71db9dd030960a20d34
[INFO] checking yvt/veisku 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%2Fyvt%2Fveisku" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yvt/veisku
[INFO] finished tweaking git repo https://github.com/yvt/veisku
[INFO] tweaked toml for git repo https://github.com/yvt/veisku written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yvt/veisku 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/yvt/veisku 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 30ec0a02ae489a56edb953f4fca5a2c471aef9e7e61505c4d5e39120f14f41fa
[INFO] running `Command { std: "docker" "start" "-a" "30ec0a02ae489a56edb953f4fca5a2c471aef9e7e61505c4d5e39120f14f41fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ec0a02ae489a56edb953f4fca5a2c471aef9e7e61505c4d5e39120f14f41fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ec0a02ae489a56edb953f4fca5a2c471aef9e7e61505c4d5e39120f14f41fa", kill_on_drop: false }`
[INFO] [stdout] 30ec0a02ae489a56edb953f4fca5a2c471aef9e7e61505c4d5e39120f14f41fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1976b56288c4a2ad43e86bdad05a20660c596dcf8321251e5bcc63bfc6447b1c
[INFO] running `Command { std: "docker" "start" "-a" "1976b56288c4a2ad43e86bdad05a20660c596dcf8321251e5bcc63bfc6447b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking array v0.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking veisku v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]    --> src/render.rs:142:7
[INFO] [stdout]     |
[INFO] [stdout] 142 | #[cfg(tests)]
[INFO] [stdout]     |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]    --> src/render.rs:142:7
[INFO] [stdout]     |
[INFO] [stdout] 142 | #[cfg(tests)]
[INFO] [stdout]     |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `array::Array3`
[INFO] [stdout]    --> src/cfg.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |     use array::Array3;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `array::Array3`
[INFO] [stdout]    --> src/cfg.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |     use array::Array3;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `writable` is never read
[INFO] [stdout]    --> src/cfg.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct Cfg {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub writable: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cfg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/cfg.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// The command to invoke a pager.
[INFO] [stdout] 12 | |     ///
[INFO] [stdout] 13 | |     /// An empty value disables the use of a pager.
[INFO] [stdout] 14 | |     #[clap(long = "pager", multiple = true, require_delimiter = true)]
[INFO] [stdout] 15 | |     pub pager: Option<Vec<OsString>>,
[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<OsString, Infallible>
[INFO] [stdout]   --> src/cfg.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     /// The script to execute (if it doesn't match any builtin subcommand).
[INFO] [stdout] 21 | |     ///
[INFO] [stdout] 22 | |     /// Given a command `NAME ARGS...`, the program will check the following
[INFO] [stdout] 23 | |     /// locations to find the script to run: (1) `v-NAME` in `PATH` (2)
[INFO] [stdout] 24 | |     /// `NAME` in `$root/.veisku/bin`.
[INFO] [stdout] 25 | |     pub cmd: Vec<OsString>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/cfg.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     /// The command to open or edit a document.
[INFO] [stdout] 62 | |     ///
[INFO] [stdout] 63 | |     /// If the value contains at least one `{}`, they will be replaced with the
[INFO] [stdout] 64 | |     /// document's path. Otherwise, the path will be appended to the command
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     )]
[INFO] [stdout] 73 | |     pub cmd: Option<Vec<OsString>>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/cfg.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | /     /// The command to execute.
[INFO] [stdout] 86 | |     #[clap(required = true)]
[INFO] [stdout] 87 | |     pub cmd: Vec<OsString>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cfg.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | /     /// Specifies a pre-defined filter. An empty string disables the default
[INFO] [stdout] 93 | |     /// filter.
[INFO] [stdout] 94 | |     #[clap(short = 'f', long = "filter", default_value = "default")]
[INFO] [stdout] 95 | |     pub preset: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `writable` is never read
[INFO] [stdout]    --> src/cfg.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct Cfg {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub writable: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cfg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/cfg.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// The command to invoke a pager.
[INFO] [stdout] 12 | |     ///
[INFO] [stdout] 13 | |     /// An empty value disables the use of a pager.
[INFO] [stdout] 14 | |     #[clap(long = "pager", multiple = true, require_delimiter = true)]
[INFO] [stdout] 15 | |     pub pager: Option<Vec<OsString>>,
[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<OsString, Infallible>
[INFO] [stdout]   --> src/cfg.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     /// The script to execute (if it doesn't match any builtin subcommand).
[INFO] [stdout] 21 | |     ///
[INFO] [stdout] 22 | |     /// Given a command `NAME ARGS...`, the program will check the following
[INFO] [stdout] 23 | |     /// locations to find the script to run: (1) `v-NAME` in `PATH` (2)
[INFO] [stdout] 24 | |     /// `NAME` in `$root/.veisku/bin`.
[INFO] [stdout] 25 | |     pub cmd: Vec<OsString>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `veisku` (bin "v" test) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/cfg.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     /// The command to open or edit a document.
[INFO] [stdout] 62 | |     ///
[INFO] [stdout] 63 | |     /// If the value contains at least one `{}`, they will be replaced with the
[INFO] [stdout] 64 | |     /// document's path. Otherwise, the path will be appended to the command
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     )]
[INFO] [stdout] 73 | |     pub cmd: Option<Vec<OsString>>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/cfg.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | /     /// The command to execute.
[INFO] [stdout] 86 | |     #[clap(required = true)]
[INFO] [stdout] 87 | |     pub cmd: Vec<OsString>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cfg.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | /     /// Specifies a pre-defined filter. An empty string disables the default
[INFO] [stdout] 93 | |     /// filter.
[INFO] [stdout] 94 | |     #[clap(short = 'f', long = "filter", default_value = "default")]
[INFO] [stdout] 95 | |     pub preset: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `veisku` (bin "v") due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1976b56288c4a2ad43e86bdad05a20660c596dcf8321251e5bcc63bfc6447b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1976b56288c4a2ad43e86bdad05a20660c596dcf8321251e5bcc63bfc6447b1c", kill_on_drop: false }`
[INFO] [stdout] 1976b56288c4a2ad43e86bdad05a20660c596dcf8321251e5bcc63bfc6447b1c
