[INFO] cloning repository https://github.com/zynaxsoft/rust-secret-png [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zynaxsoft/rust-secret-png" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzynaxsoft%2Frust-secret-png", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzynaxsoft%2Frust-secret-png'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc0ec9b8ccdbc0b7c56c643b4e86db4e52fc69bf [INFO] checking zynaxsoft/rust-secret-png 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%2Fzynaxsoft%2Frust-secret-png" "/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/zynaxsoft/rust-secret-png [INFO] finished tweaking git repo https://github.com/zynaxsoft/rust-secret-png [INFO] tweaked toml for git repo https://github.com/zynaxsoft/rust-secret-png written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/zynaxsoft/rust-secret-png 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/zynaxsoft/rust-secret-png 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] fdfa6e795a6d31895dcee857bca8079df93ec52e94291df6d3a921be512e7190 [INFO] running `Command { std: "docker" "start" "-a" "fdfa6e795a6d31895dcee857bca8079df93ec52e94291df6d3a921be512e7190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdfa6e795a6d31895dcee857bca8079df93ec52e94291df6d3a921be512e7190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdfa6e795a6d31895dcee857bca8079df93ec52e94291df6d3a921be512e7190", kill_on_drop: false }` [INFO] [stdout] fdfa6e795a6d31895dcee857bca8079df93ec52e94291df6d3a921be512e7190 [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] 2ef3c836956b93cf53234007a39a289e6c4d176e05e31225eadb6454555b1d87 [INFO] running `Command { std: "docker" "start" "-a" "2ef3c836956b93cf53234007a39a289e6c4d176e05e31225eadb6454555b1d87", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking rust-secret-png v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | pub path: 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 [INFO] [stdout] --> src/args.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / #[structopt(short = "t", long)] [INFO] [stdout] 26 | | pub chunk_type: String, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / #[structopt(short, long)] [INFO] [stdout] 29 | | pub message: String, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / #[structopt(short, long)] [INFO] [stdout] 32 | | pub dest: Option, [INFO] [stdout] | |_____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | / #[structopt(short = "t", long)] [INFO] [stdout] 40 | | pub chunk_type: String, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | pub path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | / #[structopt(short = "t", long)] [INFO] [stdout] 48 | | pub chunk_type: String, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | pub path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/commands.rs:48:19 [INFO] [stdout] | [INFO] [stdout] 48 | let default = PathBuf::from_str("output.png").unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-secret-png` (lib) due to 10 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | pub path: 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 [INFO] [stdout] --> src/args.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / #[structopt(short = "t", long)] [INFO] [stdout] 26 | | pub chunk_type: String, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / #[structopt(short, long)] [INFO] [stdout] 29 | | pub message: String, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / #[structopt(short, long)] [INFO] [stdout] 32 | | pub dest: Option, [INFO] [stdout] | |_____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | / #[structopt(short = "t", long)] [INFO] [stdout] 40 | | pub chunk_type: String, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | pub path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | / #[structopt(short = "t", long)] [INFO] [stdout] 48 | | pub chunk_type: String, [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/args.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | pub path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/commands.rs:48:19 [INFO] [stdout] | [INFO] [stdout] 48 | let default = PathBuf::from_str("output.png").unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-secret-png` (lib test) due to 10 previous errors [INFO] running `Command { std: "docker" "inspect" "2ef3c836956b93cf53234007a39a289e6c4d176e05e31225eadb6454555b1d87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ef3c836956b93cf53234007a39a289e6c4d176e05e31225eadb6454555b1d87", kill_on_drop: false }` [INFO] [stdout] 2ef3c836956b93cf53234007a39a289e6c4d176e05e31225eadb6454555b1d87