[INFO] cloning repository https://github.com/shikhalev/dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shikhalev/dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshikhalev%2Fdedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshikhalev%2Fdedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71c94e65c7876d72cff79bd2f6ecd058cf3dbd19
[INFO] checking shikhalev/dedup 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%2Fshikhalev%2Fdedup" "/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/shikhalev/dedup
[INFO] finished tweaking git repo https://github.com/shikhalev/dedup
[INFO] tweaked toml for git repo https://github.com/shikhalev/dedup written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shikhalev/dedup 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/shikhalev/dedup 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] a4d94bfa49b4d9fc826240de3c562c085409f7d2f92420eeb7206b35a6031e04
[INFO] running `Command { std: "docker" "start" "-a" "a4d94bfa49b4d9fc826240de3c562c085409f7d2f92420eeb7206b35a6031e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4d94bfa49b4d9fc826240de3c562c085409f7d2f92420eeb7206b35a6031e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d94bfa49b4d9fc826240de3c562c085409f7d2f92420eeb7206b35a6031e04", kill_on_drop: false }`
[INFO] [stdout] a4d94bfa49b4d9fc826240de3c562c085409f7d2f92420eeb7206b35a6031e04
[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] 8d00b050ff16e49a04108e58145f234ac9e7264020d31bd5ff2825ee4e10f0de
[INFO] running `Command { std: "docker" "start" "-a" "8d00b050ff16e49a04108e58145f234ac9e7264020d31bd5ff2825ee4e10f0de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking crc64fast v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking byte-unit v4.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2 (https://github.com/clap-rs/clap/#5b736998)
[INFO] [stderr]     Checking clap v3.0.0-beta.2 (https://github.com/clap-rs/clap/#5b736998)
[INFO] [stderr]     Checking dedup v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `DEFAULT_LOG_FILENAME` is never used
[INFO] [stdout]    --> src/options.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | static DEFAULT_LOG_FILENAME: &'static str = "./dedup.log";
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: ControlFlow<std::result::Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]  --> src/file.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Some(s) => Ok(PathBuf::from_str(&shellexpand::full(s)?)?.canonicalize()?),
[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: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/file.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Some(s) => Ok(PathBuf::from_str(&shellexpand::full(s)?)?.canonicalize()?),
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]   --> src/file.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |       let mut result = PathBuf::from_str(&format!("{}_{}", s, i))?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/file.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |       let mut result = PathBuf::from_str(&format!("{}_{}", s, i))?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]   --> src/file.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |         result = PathBuf::from_str(&format!("{}_{}", s, i))?;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/file.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |         result = PathBuf::from_str(&format!("{}_{}", s, i))?;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/options.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     PathBuf::from_str(DEFAULT_LOG_FILENAME).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dedup` (bin "dedup") due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: static `DEFAULT_LOG_FILENAME` is never used
[INFO] [stdout]    --> src/options.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | static DEFAULT_LOG_FILENAME: &'static str = "./dedup.log";
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: ControlFlow<std::result::Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]  --> src/file.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Some(s) => Ok(PathBuf::from_str(&shellexpand::full(s)?)?.canonicalize()?),
[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: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/file.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Some(s) => Ok(PathBuf::from_str(&shellexpand::full(s)?)?.canonicalize()?),
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]   --> src/file.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |       let mut result = PathBuf::from_str(&format!("{}_{}", s, i))?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/file.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |       let mut result = PathBuf::from_str(&format!("{}_{}", s, i))?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]   --> src/file.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |         result = PathBuf::from_str(&format!("{}_{}", s, i))?;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/file.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |         result = PathBuf::from_str(&format!("{}_{}", s, i))?;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/options.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     PathBuf::from_str(DEFAULT_LOG_FILENAME).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dedup` (bin "dedup" test) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8d00b050ff16e49a04108e58145f234ac9e7264020d31bd5ff2825ee4e10f0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d00b050ff16e49a04108e58145f234ac9e7264020d31bd5ff2825ee4e10f0de", kill_on_drop: false }`
[INFO] [stdout] 8d00b050ff16e49a04108e58145f234ac9e7264020d31bd5ff2825ee4e10f0de