[INFO] cloning repository https://github.com/da-x/deltaimage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/da-x/deltaimage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fda-x%2Fdeltaimage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fda-x%2Fdeltaimage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85edc64f09b4f8e42408ca298dd10d1ad8ce0411
[INFO] checking da-x/deltaimage 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%2Fda-x%2Fdeltaimage" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/da-x/deltaimage
[INFO] finished tweaking git repo https://github.com/da-x/deltaimage
[INFO] tweaked toml for git repo https://github.com/da-x/deltaimage written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/da-x/deltaimage 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/da-x/deltaimage 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] aae70602835644dfd11ee2d75aabebd43ed6c60334126967a68d0f77966e5e10
[INFO] running `Command { std: "docker" "start" "-a" "aae70602835644dfd11ee2d75aabebd43ed6c60334126967a68d0f77966e5e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aae70602835644dfd11ee2d75aabebd43ed6c60334126967a68d0f77966e5e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae70602835644dfd11ee2d75aabebd43ed6c60334126967a68d0f77966e5e10", kill_on_drop: false }`
[INFO] [stdout] aae70602835644dfd11ee2d75aabebd43ed6c60334126967a68d0f77966e5e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e4abc108e0116da072d07a7d1091440d7e5103be02268eaad4cb8788b7f564cb
[INFO] running `Command { std: "docker" "start" "-a" "e4abc108e0116da072d07a7d1091440d7e5103be02268eaad4cb8788b7f564cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling serde v1.0.167
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking anyhow v1.0.71
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking xattr v1.0.0
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.167
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling xdelta3 v0.1.5
[INFO] [stderr]     Checking deltaimage v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/cmdline.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub source_dir: 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/cmdline.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub target_delta_dir: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cmdline.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub source_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cmdline.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub delta_target_dir: PathBuf,
[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/cmdline.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         image_a: String,
[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/cmdline.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         image_b: String,
[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/cmdline.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         #[structopt(long)]
[INFO] [stdout] 23 | |         override_version: Option<String>,
[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/cmdline.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         delta_image: String,
[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/cmdline.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         #[structopt(long)]
[INFO] [stdout] 32 | |         unlinked_source: Option<String>,
[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/cmdline.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         #[structopt(long)]
[INFO] [stdout] 35 | |         override_version: Option<String>,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/cmdline.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub source_dir: 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/cmdline.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub target_delta_dir: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cmdline.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub source_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cmdline.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub delta_target_dir: PathBuf,
[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/cmdline.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         image_a: String,
[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/cmdline.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         image_b: String,
[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/cmdline.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         #[structopt(long)]
[INFO] [stdout] 23 | |         override_version: Option<String>,
[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/cmdline.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         delta_image: String,
[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/cmdline.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         #[structopt(long)]
[INFO] [stdout] 32 | |         unlinked_source: Option<String>,
[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/cmdline.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         #[structopt(long)]
[INFO] [stdout] 35 | |         override_version: Option<String>,
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deltaimage` (bin "deltaimage") due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `deltaimage` (bin "deltaimage" test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "e4abc108e0116da072d07a7d1091440d7e5103be02268eaad4cb8788b7f564cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4abc108e0116da072d07a7d1091440d7e5103be02268eaad4cb8788b7f564cb", kill_on_drop: false }`
[INFO] [stdout] e4abc108e0116da072d07a7d1091440d7e5103be02268eaad4cb8788b7f564cb
