[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<Self> {
[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<PathBuf>,
[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<Self> {
[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<std::path::PathBuf, Infallible>
[INFO] [stdout]  --> src/arguments.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | /   #[structopt(short, long)]
[INFO] [stdout] 6 | |   config_path: Option<PathBuf>,
[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<Self> {
[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<PathBuf>,
[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<Self> {
[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<std::path::PathBuf, Infallible>
[INFO] [stdout]  --> src/arguments.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | /   #[structopt(short, long)]
[INFO] [stdout] 6 | |   config_path: Option<PathBuf>,
[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
