[INFO] fetching crate cargo-pebble-watch 0.1.0...
[INFO] checking cargo-pebble-watch-0.1.0 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate cargo-pebble-watch 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cargo-pebble-watch 0.1.0 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-pebble-watch 0.1.0
[INFO] finished tweaking crates.io crate cargo-pebble-watch 0.1.0
[INFO] tweaked toml for crates.io crate cargo-pebble-watch 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1d47ce6ab3296a1452cbe2ebdc548e28d1b919d98db60581b92396f8bfd45c
[INFO] running `Command { std: "docker" "start" "-a" "3b1d47ce6ab3296a1452cbe2ebdc548e28d1b919d98db60581b92396f8bfd45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1d47ce6ab3296a1452cbe2ebdc548e28d1b919d98db60581b92396f8bfd45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1d47ce6ab3296a1452cbe2ebdc548e28d1b919d98db60581b92396f8bfd45c", kill_on_drop: false }`
[INFO] [stdout] 3b1d47ce6ab3296a1452cbe2ebdc548e28d1b919d98db60581b92396f8bfd45c
[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" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ff23ca0e4dd12aaf9c5cfd2d8bd19dd05a19e9a6f71f2a1e0865a9e7ce5f9e0
[INFO] running `Command { std: "docker" "start" "-a" "9ff23ca0e4dd12aaf9c5cfd2d8bd19dd05a19e9a6f71f2a1e0865a9e7ce5f9e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking cargo-pebble-watch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command`, `Output`
[INFO] [stdout]  --> src/commands/build.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::{Command, Output};
[INFO] [stdout]   |                    ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command`, `Output`
[INFO] [stdout]  --> src/commands/build.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::{Command, Output};
[INFO] [stdout]   |                    ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/commands/build.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/commands/build.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_stderr`
[INFO] [stdout]  --> src/commands/run.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::util::build_script::{run_build, print_stderr};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_stderr`
[INFO] [stdout]  --> src/commands/run.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::util::build_script::{run_build, print_stderr};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]   --> src/commands/run.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::process::{Command, Output};
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]   --> src/commands/run.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::process::{Command, Output};
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/util/build_script.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::commands::CommandResult`
[INFO] [stdout]  --> src/util/cargo_lookup.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::commands::CommandResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/util/build_script.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::panic;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::fmt::Display;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::commands::CommandResult`
[INFO] [stdout]  --> src/util/cargo_lookup.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::commands::CommandResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::panic;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::fmt::Display;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/commands/new.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if let Some(name) = proj_name {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/commands/new.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     if let Some(name) = proj_name {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/commands/build.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run(args: &ArgMatches) -> CommandResult<CommandError> {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/commands/build.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run(args: &ArgMatches) -> CommandResult<CommandError> {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/util/build_script.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Err(e) => return Err(CommandError {error_text: "Could not create crates dir.".to_owned()}),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/util/build_script.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Err(e) => return Err(CommandError {error_text: "Could not create crates dir.".to_owned()}),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/util/build_script.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Err(e) => return Err(CommandError {error_text: "Could not create rustc temp dir.".to_owned()}),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/util/build_script.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Err(e) => return Err(CommandError {error_text: "Could not create rustc temp dir.".to_owned()}),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/build_script.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     fs_extra::move_items(&move_paths, crates_dir.to_str().unwrap(),
[INFO] [stdout] 64 | |                          &fs_extra::dir::CopyOptions::new());
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = fs_extra::move_items(&move_paths, crates_dir.to_str().unwrap(),
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/build_script.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     std::env::set_current_dir(&deps_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = std::env::set_current_dir(&deps_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/build_script.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     fs_extra::move_items(&move_paths, crates_dir.to_str().unwrap(),
[INFO] [stdout] 64 | |                          &fs_extra::dir::CopyOptions::new());
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = fs_extra::move_items(&move_paths, crates_dir.to_str().unwrap(),
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/build_script.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     std::env::set_current_dir(crate_path.to_str().unwrap());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = std::env::set_current_dir(crate_path.to_str().unwrap());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/build_script.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     std::env::set_current_dir(&deps_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = std::env::set_current_dir(&deps_dir);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util/build_script.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     std::env::set_current_dir(crate_path.to_str().unwrap());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = std::env::set_current_dir(crate_path.to_str().unwrap());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "9ff23ca0e4dd12aaf9c5cfd2d8bd19dd05a19e9a6f71f2a1e0865a9e7ce5f9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff23ca0e4dd12aaf9c5cfd2d8bd19dd05a19e9a6f71f2a1e0865a9e7ce5f9e0", kill_on_drop: false }`
[INFO] [stdout] 9ff23ca0e4dd12aaf9c5cfd2d8bd19dd05a19e9a6f71f2a1e0865a9e7ce5f9e0
