[INFO] cloning repository https://github.com/janElikan/markdev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/janElikan/markdev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjanElikan%2Fmarkdev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjanElikan%2Fmarkdev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2c3876d61e9a07822d5e5e641bdd06c47b1e661
[INFO] checking janElikan/markdev 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%2FjanElikan%2Fmarkdev" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/janElikan/markdev
[INFO] finished tweaking git repo https://github.com/janElikan/markdev
[INFO] tweaked toml for git repo https://github.com/janElikan/markdev written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/janElikan/markdev 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/janElikan/markdev 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fc8616304170e22f40603a6a066492293f3c11d9dfa679cdb17d4fd3ac54e7b6
[INFO] running `Command { std: "docker" "start" "-a" "fc8616304170e22f40603a6a066492293f3c11d9dfa679cdb17d4fd3ac54e7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc8616304170e22f40603a6a066492293f3c11d9dfa679cdb17d4fd3ac54e7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8616304170e22f40603a6a066492293f3c11d9dfa679cdb17d4fd3ac54e7b6", kill_on_drop: false }`
[INFO] [stdout] fc8616304170e22f40603a6a066492293f3c11d9dfa679cdb17d4fd3ac54e7b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 734dd7591b31b8bb00107fbcb34ba695329e9c34b5f5785a4cbaabbd41036fba
[INFO] running `Command { std: "docker" "start" "-a" "734dd7591b31b8bb00107fbcb34ba695329e9c34b5f5785a4cbaabbd41036fba", kill_on_drop: false }`
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking markdev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let file = match tab {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `workspace`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let workspace = Workspace::from(tab);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_workspace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from(value: &Tab) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `branch`, `edit`, and `procs` are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Workspace {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 19 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     branch: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 21 |     edit: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     procs: Vec<Process>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command` is never read
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Process {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 26 |     command: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/obsidian.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Vault {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     path: PathBuf,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NotVault` is never constructed
[INFO] [stdout]    --> src/obsidian.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub enum Error {
[INFO] [stdout]     |          ----- variant in this enum
[INFO] [stdout] 134 |     ParseFailed,
[INFO] [stdout] 135 |     NotVault,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/obsidian.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |         path.push(PathBuf::from_str(".obsidian/workspace.json").unwrap());
[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 `markdev` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `markdev` (lib) due to 1 previous error; 7 warnings emitted
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let file = match tab {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `workspace`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let workspace = Workspace::from(tab);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_workspace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from(value: &Tab) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `branch`, `edit`, and `procs` are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Workspace {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 19 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     branch: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 21 |     edit: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     procs: Vec<Process>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command` is never read
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Process {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 26 |     command: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/obsidian.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Vault {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     path: PathBuf,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NotVault` is never constructed
[INFO] [stdout]    --> src/obsidian.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub enum Error {
[INFO] [stdout]     |          ----- variant in this enum
[INFO] [stdout] 134 |     ParseFailed,
[INFO] [stdout] 135 |     NotVault,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/obsidian.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |         path.push(PathBuf::from_str(".obsidian/workspace.json").unwrap());
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "734dd7591b31b8bb00107fbcb34ba695329e9c34b5f5785a4cbaabbd41036fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734dd7591b31b8bb00107fbcb34ba695329e9c34b5f5785a4cbaabbd41036fba", kill_on_drop: false }`
[INFO] [stdout] 734dd7591b31b8bb00107fbcb34ba695329e9c34b5f5785a4cbaabbd41036fba
