[INFO] cloning repository https://github.com/pie-flavor/cats [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pie-flavor/cats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpie-flavor%2Fcats", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpie-flavor%2Fcats'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ccf26eeb39b90335597e2c76790850dfe54ffedf [INFO] checking pie-flavor/cats 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%2Fpie-flavor%2Fcats" "/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/pie-flavor/cats [INFO] finished tweaking git repo https://github.com/pie-flavor/cats [INFO] tweaked toml for git repo https://github.com/pie-flavor/cats written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pie-flavor/cats 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/pie-flavor/cats 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] e0130f5d576f4f7e82e2b347fc59270f8f3bba8178404a4b11ece4d4e1bd2810 [INFO] running `Command { std: "docker" "start" "-a" "e0130f5d576f4f7e82e2b347fc59270f8f3bba8178404a4b11ece4d4e1bd2810", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0130f5d576f4f7e82e2b347fc59270f8f3bba8178404a4b11ece4d4e1bd2810", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0130f5d576f4f7e82e2b347fc59270f8f3bba8178404a4b11ece4d4e1bd2810", kill_on_drop: false }` [INFO] [stdout] e0130f5d576f4f7e82e2b347fc59270f8f3bba8178404a4b11ece4d4e1bd2810 [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] eef1a6a674f021c33ef352545175b41a08412b8910fa762368e5bcd7d28e56a6 [INFO] running `Command { std: "docker" "start" "-a" "eef1a6a674f021c33ef352545175b41a08412b8910fa762368e5bcd7d28e56a6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Compiling libsqlite3-sys v0.22.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking hashlink v0.7.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Checking rusqlite v0.25.3 [INFO] [stderr] Checking cats v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | / /// The cat's new name. [INFO] [stdout] 64 | | #[structopt(long, short)] [INFO] [stdout] 65 | | pub name: Option, [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:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | / /// The cat's new breed. [INFO] [stdout] 70 | | /// [INFO] [stdout] 71 | | /// Make sure it's spelled correctly, because cat breeds change too often for the registry to [INFO] [stdout] 72 | | /// know if it is a real breed. [INFO] [stdout] 73 | | #[structopt(long, short)] [INFO] [stdout] 74 | | pub breed: Option, [INFO] [stdout] | |_____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | / /// The name of the cat. [INFO] [stdout] 80 | | #[structopt(long, short, use_delimiter = true)] [INFO] [stdout] 81 | | pub name: Option>, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | / /// The breed of the cat. [INFO] [stdout] 88 | | #[structopt(long, short, use_delimiter = true)] [INFO] [stdout] 89 | | pub breed: Option>, [INFO] [stdout] | |__________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | / /// The name of the cat. [INFO] [stdout] 103 | | #[structopt(long, short)] [INFO] [stdout] 104 | | pub name: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 108 | / /// The breed of the cat. [INFO] [stdout] 109 | | /// [INFO] [stdout] 110 | | /// Make sure it's spelled correctly, because cat breeds change too often for the registry to [INFO] [stdout] 111 | | /// know if it is a real breed. [INFO] [stdout] 112 | | #[structopt(long, short)] [INFO] [stdout] 113 | | pub breed: Option, [INFO] [stdout] | |_____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cats` (bin "cats" test) due to 6 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | / /// The cat's new name. [INFO] [stdout] 64 | | #[structopt(long, short)] [INFO] [stdout] 65 | | pub name: Option, [INFO] [stdout] | |____________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [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 [INFO] [stdout] --> src/args.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | / /// The cat's new breed. [INFO] [stdout] 70 | | /// [INFO] [stdout] 71 | | /// Make sure it's spelled correctly, because cat breeds change too often for the registry to [INFO] [stdout] 72 | | /// know if it is a real breed. [INFO] [stdout] 73 | | #[structopt(long, short)] [INFO] [stdout] 74 | | pub breed: Option, [INFO] [stdout] | |_____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cats` (bin "cats") due to 6 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | / /// The name of the cat. [INFO] [stdout] 80 | | #[structopt(long, short, use_delimiter = true)] [INFO] [stdout] 81 | | pub name: Option>, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | / /// The breed of the cat. [INFO] [stdout] 88 | | #[structopt(long, short, use_delimiter = true)] [INFO] [stdout] 89 | | pub breed: Option>, [INFO] [stdout] | |__________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | / /// The name of the cat. [INFO] [stdout] 103 | | #[structopt(long, short)] [INFO] [stdout] 104 | | pub name: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 108 | / /// The breed of the cat. [INFO] [stdout] 109 | | /// [INFO] [stdout] 110 | | /// Make sure it's spelled correctly, because cat breeds change too often for the registry to [INFO] [stdout] 111 | | /// know if it is a real breed. [INFO] [stdout] 112 | | #[structopt(long, short)] [INFO] [stdout] 113 | | pub breed: Option, [INFO] [stdout] | |_____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "eef1a6a674f021c33ef352545175b41a08412b8910fa762368e5bcd7d28e56a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eef1a6a674f021c33ef352545175b41a08412b8910fa762368e5bcd7d28e56a6", kill_on_drop: false }` [INFO] [stdout] eef1a6a674f021c33ef352545175b41a08412b8910fa762368e5bcd7d28e56a6