[INFO] fetching crate sick 0.0.0...
[INFO] checking sick-0.0.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate sick 0.0.0 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sick 0.0.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51d37239a522dfc3d0bb566e94fc69ec3f78522bfc939b79740d975f139ed1f1
[INFO] running `Command { std: "docker" "start" "-a" "51d37239a522dfc3d0bb566e94fc69ec3f78522bfc939b79740d975f139ed1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51d37239a522dfc3d0bb566e94fc69ec3f78522bfc939b79740d975f139ed1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d37239a522dfc3d0bb566e94fc69ec3f78522bfc939b79740d975f139ed1f1", kill_on_drop: false }`
[INFO] [stdout] 51d37239a522dfc3d0bb566e94fc69ec3f78522bfc939b79740d975f139ed1f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc060f6fdd87516ec6dc28502696018adc99db18b00a6252c9dc9d00e55900a7
[INFO] running `Command { std: "docker" "start" "-a" "fc060f6fdd87516ec6dc28502696018adc99db18b00a6252c9dc9d00e55900a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` 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)]` 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] 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)]` 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)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "fc060f6fdd87516ec6dc28502696018adc99db18b00a6252c9dc9d00e55900a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc060f6fdd87516ec6dc28502696018adc99db18b00a6252c9dc9d00e55900a7", kill_on_drop: false }`
[INFO] [stdout] fc060f6fdd87516ec6dc28502696018adc99db18b00a6252c9dc9d00e55900a7