[INFO] cloning repository https://github.com/paterkleomenis/ffmpegrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paterkleomenis/ffmpegrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaterkleomenis%2Fffmpegrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaterkleomenis%2Fffmpegrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27ee6286b5165960269b6d0a3eee2150c182c01c
[INFO] checking paterkleomenis/ffmpegrust against master#fe55364329579d361b1ab565728bc033a7dba07e for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaterkleomenis%2Fffmpegrust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/paterkleomenis/ffmpegrust
[INFO] finished tweaking git repo https://github.com/paterkleomenis/ffmpegrust
[INFO] tweaked toml for git repo https://github.com/paterkleomenis/ffmpegrust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paterkleomenis/ffmpegrust on toolchain fe55364329579d361b1ab565728bc033a7dba07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/paterkleomenis/ffmpegrust 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" "+fe55364329579d361b1ab565728bc033a7dba07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdc097e13cfaac3a1337dcd03658453c745bd55e2e1ae9256f163c28ccc4028b
[INFO] running `Command { std: "docker" "start" "-a" "cdc097e13cfaac3a1337dcd03658453c745bd55e2e1ae9256f163c28ccc4028b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdc097e13cfaac3a1337dcd03658453c745bd55e2e1ae9256f163c28ccc4028b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc097e13cfaac3a1337dcd03658453c745bd55e2e1ae9256f163c28ccc4028b", kill_on_drop: false }`
[INFO] [stdout] cdc097e13cfaac3a1337dcd03658453c745bd55e2e1ae9256f163c28ccc4028b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c851d8402fd827d44fdb9b04f8497112dec788fbb1e261609aed74a7e2e399
[INFO] running `Command { std: "docker" "start" "-a" "93c851d8402fd827d44fdb9b04f8497112dec788fbb1e261609aed74a7e2e399", kill_on_drop: false }`
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[INFO] [stdout] warning: variants `PermissionDenied`, `DiskSpace`, `Cancelled`, and `ProcessError` are never constructed
[INFO] [stdout]   --> src/conversion/mod.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum ConversionError {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 48 |     PermissionDenied,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     DiskSpace,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 50 |     Cancelled,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 51 |     ProcessError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConversionError` 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] [stdout] warning: field `container` is never read
[INFO] [stdout]   --> src/conversion/mod.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ConversionSettings {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub container: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConversionSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_cancel_handle` is never used
[INFO] [stdout]    --> src/conversion/mod.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl ConversionTask {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn get_cancel_handle(&self) -> Arc<Mutex<bool>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PermissionDenied`, `DiskSpace`, `Cancelled`, and `ProcessError` are never constructed
[INFO] [stdout]   --> src/conversion/mod.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum ConversionError {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 48 |     PermissionDenied,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     DiskSpace,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 50 |     Cancelled,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 51 |     ProcessError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConversionError` 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] [stdout] warning: field `container` is never read
[INFO] [stdout]   --> src/conversion/mod.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct ConversionSettings {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub container: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConversionSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_cancel_handle` is never used
[INFO] [stdout]    --> src/conversion/mod.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl ConversionTask {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn get_cancel_handle(&self) -> Arc<Mutex<bool>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "93c851d8402fd827d44fdb9b04f8497112dec788fbb1e261609aed74a7e2e399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c851d8402fd827d44fdb9b04f8497112dec788fbb1e261609aed74a7e2e399", kill_on_drop: false }`
[INFO] [stdout] 93c851d8402fd827d44fdb9b04f8497112dec788fbb1e261609aed74a7e2e399