[INFO] cloning repository https://github.com/HipsterBrown/md-slide-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HipsterBrown/md-slide-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHipsterBrown%2Fmd-slide-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHipsterBrown%2Fmd-slide-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cb5b0a7927b80a6f8caf1b4b81ebbed07589a44
[INFO] checking HipsterBrown/md-slide-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%2FHipsterBrown%2Fmd-slide-rs" "/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/HipsterBrown/md-slide-rs
[INFO] finished tweaking git repo https://github.com/HipsterBrown/md-slide-rs
[INFO] tweaked toml for git repo https://github.com/HipsterBrown/md-slide-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HipsterBrown/md-slide-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/HipsterBrown/md-slide-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-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] bde61cf6a4d1c903e2c4e553e0cd17e3652179ef10f7894e784bb67519d2b19d
[INFO] running `Command { std: "docker" "start" "-a" "bde61cf6a4d1c903e2c4e553e0cd17e3652179ef10f7894e784bb67519d2b19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bde61cf6a4d1c903e2c4e553e0cd17e3652179ef10f7894e784bb67519d2b19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde61cf6a4d1c903e2c4e553e0cd17e3652179ef10f7894e784bb67519d2b19d", kill_on_drop: false }`
[INFO] [stdout] bde61cf6a4d1c903e2c4e553e0cd17e3652179ef10f7894e784bb67519d2b19d
[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] 588f4ff8c5c15f75118c7ac1eb5fb5d7985122c18c3aae15e279893f53b1499f
[INFO] running `Command { std: "docker" "start" "-a" "588f4ff8c5c15f75118c7ac1eb5fb5d7985122c18c3aae15e279893f53b1499f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
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[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
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[INFO] [stderr]    Compiling structopt-derive v0.4.6
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[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking http-types v1.2.0
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[INFO] [stderr]     Checking async-h1 v1.1.2
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[INFO] [stderr]     Checking http-service-h1 v0.1.0
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[INFO] [stderr]     Checking md-slide-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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] [stderr] error: could not compile `md-slide-rs` (bin "md-slide-rs" test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let actual_path: String = request.param("path").unwrap();
[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<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let actual_path: String = request.param("path").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 `md-slide-rs` (bin "md-slide-rs") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "588f4ff8c5c15f75118c7ac1eb5fb5d7985122c18c3aae15e279893f53b1499f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588f4ff8c5c15f75118c7ac1eb5fb5d7985122c18c3aae15e279893f53b1499f", kill_on_drop: false }`
[INFO] [stdout] 588f4ff8c5c15f75118c7ac1eb5fb5d7985122c18c3aae15e279893f53b1499f
