[INFO] fetching crate sick 0.0.0... [INFO] checking sick-0.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate sick 0.0.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate sick 0.0.0 [INFO] finished tweaking crates.io crate sick 0.0.0 [INFO] tweaked toml for crates.io crate sick 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sick 0.0.0 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 crates.io crate sick 0.0.0 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] 6dbb96762ce6f4fea0943b33d2defc943537473dfd63b10d1027ad5189a2a69e [INFO] running `Command { std: "docker" "start" "-a" "6dbb96762ce6f4fea0943b33d2defc943537473dfd63b10d1027ad5189a2a69e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6dbb96762ce6f4fea0943b33d2defc943537473dfd63b10d1027ad5189a2a69e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dbb96762ce6f4fea0943b33d2defc943537473dfd63b10d1027ad5189a2a69e", kill_on_drop: false }` [INFO] [stdout] 6dbb96762ce6f4fea0943b33d2defc943537473dfd63b10d1027ad5189a2a69e [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] 6b8f9f9c2c249c5dc5030511600d7e8029980290e9f2ec4a5d7d20b07d6d5e4a [INFO] running `Command { std: "docker" "start" "-a" "6b8f9f9c2c249c5dc5030511600d7e8029980290e9f2ec4a5d7d20b07d6d5e4a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking sick v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::common::*` [INFO] [stdout] --> src/config.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::common::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/directory.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | fn new(path: PathBuf) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/post.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | fn from_path(path: PathBuf) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config_path` is never read [INFO] [stdout] --> src/arguments.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct Arguments { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 5 | #[structopt(short, long)] [INFO] [stdout] 6 | config_path: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Arguments` 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: struct `Config` is never constructed [INFO] [stdout] --> src/config.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct Config {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Directory` is never constructed [INFO] [stdout] --> src/directory.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct Directory { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/directory.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 8 | impl Directory { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 9 | fn new(path: PathBuf) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Post` is never constructed [INFO] [stdout] --> src/post.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct Post { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_path` is never used [INFO] [stdout] --> src/post.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 10 | impl Post { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 11 | fn from_path(path: PathBuf) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/arguments.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | / #[structopt(short, long)] [INFO] [stdout] 6 | | config_path: 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] error: could not compile `sick` (bin "sick") due to 1 previous error; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `crate::common::*` [INFO] [stdout] --> src/config.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::common::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/directory.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | fn new(path: PathBuf) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/post.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | fn from_path(path: PathBuf) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config_path` is never read [INFO] [stdout] --> src/arguments.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct Arguments { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 5 | #[structopt(short, long)] [INFO] [stdout] 6 | config_path: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Arguments` 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: struct `Config` is never constructed [INFO] [stdout] --> src/config.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct Config {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Directory` is never constructed [INFO] [stdout] --> src/directory.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct Directory { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/directory.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 8 | impl Directory { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 9 | fn new(path: PathBuf) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Post` is never constructed [INFO] [stdout] --> src/post.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct Post { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_path` is never used [INFO] [stdout] --> src/post.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 10 | impl Post { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 11 | fn from_path(path: PathBuf) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/arguments.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 5 | / #[structopt(short, long)] [INFO] [stdout] 6 | | config_path: 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] error: could not compile `sick` (bin "sick" test) due to 1 previous error; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6b8f9f9c2c249c5dc5030511600d7e8029980290e9f2ec4a5d7d20b07d6d5e4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b8f9f9c2c249c5dc5030511600d7e8029980290e9f2ec4a5d7d20b07d6d5e4a", kill_on_drop: false }` [INFO] [stdout] 6b8f9f9c2c249c5dc5030511600d7e8029980290e9f2ec4a5d7d20b07d6d5e4a