[INFO] cloning repository https://github.com/NavyD/mdutil
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NavyD/mdutil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fmdutil", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fmdutil'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d0cad15e854ef0702e4e552b4fdac6972fc3837
[INFO] checking NavyD/mdutil 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%2FNavyD%2Fmdutil" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NavyD/mdutil
[INFO] finished tweaking git repo https://github.com/NavyD/mdutil
[INFO] tweaked toml for git repo https://github.com/NavyD/mdutil written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NavyD/mdutil 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/NavyD/mdutil 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 87e87e4aabf1bfeb633fa2920162d41e1efe6af609e154216697eebb76e29dae
[INFO] running `Command { std: "docker" "start" "-a" "87e87e4aabf1bfeb633fa2920162d41e1efe6af609e154216697eebb76e29dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87e87e4aabf1bfeb633fa2920162d41e1efe6af609e154216697eebb76e29dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e87e4aabf1bfeb633fa2920162d41e1efe6af609e154216697eebb76e29dae", kill_on_drop: false }`
[INFO] [stdout] 87e87e4aabf1bfeb633fa2920162d41e1efe6af609e154216697eebb76e29dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6c74afd7c64673a15390d64f6c397c6536a2b88ea0abf1eb67e184ddb53c7fb0
[INFO] running `Command { std: "docker" "start" "-a" "6c74afd7c64673a15390d64f6c397c6536a2b88ea0abf1eb67e184ddb53c7fb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking mdutil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/cmd.rs:258:20
[INFO] [stdout]     |
[INFO] [stdout] 258 |           let name = path
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 259 | |             .file_name()
[INFO] [stdout] 260 | |             .and_then(|s| s.to_str())
[INFO] [stdout] 261 | |             .ok_or_else(|| anyhow!("to str "))?
[INFO] [stdout] 262 | |             .parse::<PathBuf>()?;
[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<PathBuf, Infallible>
[INFO] [stdout]    --> src/cmd.rs:258:20
[INFO] [stdout]     |
[INFO] [stdout] 258 |           let name = path
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 259 | |             .file_name()
[INFO] [stdout] 260 | |             .and_then(|s| s.to_str())
[INFO] [stdout] 261 | |             .ok_or_else(|| anyhow!("to str "))?
[INFO] [stdout] 262 | |             .parse::<PathBuf>()?;
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdutil` (lib) 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: ControlFlow<std::result::Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/cmd.rs:258:20
[INFO] [stdout]     |
[INFO] [stdout] 258 |           let name = path
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 259 | |             .file_name()
[INFO] [stdout] 260 | |             .and_then(|s| s.to_str())
[INFO] [stdout] 261 | |             .ok_or_else(|| anyhow!("to str "))?
[INFO] [stdout] 262 | |             .parse::<PathBuf>()?;
[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/cmd.rs:258:20
[INFO] [stdout]     |
[INFO] [stdout] 258 |           let name = path
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 259 | |             .file_name()
[INFO] [stdout] 260 | |             .and_then(|s| s.to_str())
[INFO] [stdout] 261 | |             .ok_or_else(|| anyhow!("to str "))?
[INFO] [stdout] 262 | |             .parse::<PathBuf>()?;
[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/image.rs:635:26
[INFO] [stdout]     |
[INFO] [stdout] 635 |             &Link::Local(format!("{}/_not_exists_test.png", DATA_DIR.to_str().unwrap()).parse()?)
[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/image.rs:635:26
[INFO] [stdout]     |
[INFO] [stdout] 635 |             &Link::Local(format!("{}/_not_exists_test.png", DATA_DIR.to_str().unwrap()).parse()?)
[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/image.rs:641:26
[INFO] [stdout]     |
[INFO] [stdout] 641 |             &Link::Local(format!("{}/test.png", DATA_DIR.to_str().unwrap()).parse()?)
[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/image.rs:641:26
[INFO] [stdout]     |
[INFO] [stdout] 641 |             &Link::Local(format!("{}/test.png", DATA_DIR.to_str().unwrap()).parse()?)
[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/image.rs:666:51
[INFO] [stdout]     |
[INFO] [stdout] 666 |         assert!(!load_image(&CLIENT, &Link::Local(link.parse()?))
[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/image.rs:666:51
[INFO] [stdout]     |
[INFO] [stdout] 666 |         assert!(!load_image(&CLIENT, &Link::Local(link.parse()?))
[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/image.rs:671:50
[INFO] [stdout]     |
[INFO] [stdout] 671 |         assert!(load_image(&CLIENT, &Link::Local(link.parse()?))
[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/image.rs:671:50
[INFO] [stdout]     |
[INFO] [stdout] 671 |         assert!(load_image(&CLIENT, &Link::Local(link.parse()?))
[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/image.rs:689:17
[INFO] [stdout]     |
[INFO] [stdout] 689 | /                 format!(
[INFO] [stdout] 690 | |                     "{}/{}",
[INFO] [stdout] 691 | |                     md_path.parent().and_then(|s| s.to_str()).unwrap(),
[INFO] [stdout] 692 | |                     link
[INFO] [stdout] 693 | |                 )
[INFO] [stdout] 694 | |                 .parse()?
[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/image.rs:689:17
[INFO] [stdout]     |
[INFO] [stdout] 689 | /                 format!(
[INFO] [stdout] 690 | |                     "{}/{}",
[INFO] [stdout] 691 | |                     md_path.parent().and_then(|s| s.to_str()).unwrap(),
[INFO] [stdout] 692 | |                     link
[INFO] [stdout] 693 | |                 )
[INFO] [stdout] 694 | |                 .parse()?
[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/image.rs:702:17
[INFO] [stdout]     |
[INFO] [stdout] 702 | /                 format!(
[INFO] [stdout] 703 | |                     "{}/{}",
[INFO] [stdout] 704 | |                     md_path.parent().and_then(|s| s.to_str()).unwrap(),
[INFO] [stdout] 705 | |                     link
[INFO] [stdout] 706 | |                 )
[INFO] [stdout] 707 | |                 .parse()?
[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/image.rs:702:17
[INFO] [stdout]     |
[INFO] [stdout] 702 | /                 format!(
[INFO] [stdout] 703 | |                     "{}/{}",
[INFO] [stdout] 704 | |                     md_path.parent().and_then(|s| s.to_str()).unwrap(),
[INFO] [stdout] 705 | |                     link
[INFO] [stdout] 706 | |                 )
[INFO] [stdout] 707 | |                 .parse()?
[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/image.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 | /                 format!(
[INFO] [stdout] 718 | |                     "{}/{}",
[INFO] [stdout] 719 | |                     md_path.parent().and_then(|s| s.to_str()).unwrap(),
[INFO] [stdout] 720 | |                     link
[INFO] [stdout] 721 | |                 )
[INFO] [stdout] 722 | |                 .parse()?
[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/image.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 | /                 format!(
[INFO] [stdout] 718 | |                     "{}/{}",
[INFO] [stdout] 719 | |                     md_path.parent().and_then(|s| s.to_str()).unwrap(),
[INFO] [stdout] 720 | |                     link
[INFO] [stdout] 721 | |                 )
[INFO] [stdout] 722 | |                 .parse()?
[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/lib.rs:22:55
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub static DATA_DIR: Lazy<PathBuf> = Lazy::new(|| "tests/resources".parse().unwrap());
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdutil` (lib test) due to 17 previous errors
[INFO] running `Command { std: "docker" "inspect" "6c74afd7c64673a15390d64f6c397c6536a2b88ea0abf1eb67e184ddb53c7fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c74afd7c64673a15390d64f6c397c6536a2b88ea0abf1eb67e184ddb53c7fb0", kill_on_drop: false }`
[INFO] [stdout] 6c74afd7c64673a15390d64f6c397c6536a2b88ea0abf1eb67e184ddb53c7fb0