[INFO] fetching crate rrecycle 1.0.0...
[INFO] checking rrecycle-1.0.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate rrecycle 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rrecycle 1.0.0
[INFO] finished tweaking crates.io crate rrecycle 1.0.0
[INFO] tweaked toml for crates.io crate rrecycle 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rrecycle 1.0.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rrecycle 1.0.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 86c27d062e45568546d2607c74bf09d0090f3233cd2d81be1914f72c7ab28117
[INFO] running `Command { std: "docker" "start" "-a" "86c27d062e45568546d2607c74bf09d0090f3233cd2d81be1914f72c7ab28117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86c27d062e45568546d2607c74bf09d0090f3233cd2d81be1914f72c7ab28117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c27d062e45568546d2607c74bf09d0090f3233cd2d81be1914f72c7ab28117", kill_on_drop: false }`
[INFO] [stdout] 86c27d062e45568546d2607c74bf09d0090f3233cd2d81be1914f72c7ab28117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e699ad84be3f4a1adadb25abc4be3ea935f208dec9b7b3e648fb47c02d89e03f
[INFO] running `Command { std: "docker" "start" "-a" "e699ad84be3f4a1adadb25abc4be3ea935f208dec9b7b3e648fb47c02d89e03f", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `files::get_existent_paths`
[INFO] [stdout]  --> src/lib/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use files::get_existent_paths;
[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 import: `indicatif::ProgressBar`
[INFO] [stdout]  --> src/lib/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use indicatif::ProgressBar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d_cb`
[INFO] [stdout]   --> src/lib/files.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     d_cb: impl Fn(String),
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_d_cb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArgMatches`, `Arg`, `BoolishValueParser`, and `ValueParser`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     builder::{BoolishValueParser, ValueParser},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 4 |     command, value_parser, Arg, ArgMatches,
[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 import: `rrc_lib::files`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rrc_lib::files;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `time::Duration`
[INFO] [stdout]  --> src/operations.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     clone,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]   --> src/operations.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use colored::Colorize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indicatif::ProgressBar`
[INFO] [stdout]   --> src/operations.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use indicatif::ProgressBar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/output.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::{self, Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_dir`
[INFO] [stdout]    --> src/operations.rs:269:46
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn display_cb(&mut self, path: &PathBuf, is_dir: bool) {
[INFO] [stdout]     |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_dir`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_dir`
[INFO] [stdout]    --> src/operations.rs:329:46
[INFO] [stdout]     |
[INFO] [stdout] 329 |     fn display_cb(&mut self, path: &PathBuf, is_dir: bool) {
[INFO] [stdout]     |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_files`
[INFO] [stdout]   --> src/output.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |             OPERATION::PURGE { all_files } => "purging",
[INFO] [stdout]    |                                ^^^^^^^^^ help: try ignoring the field: `all_files: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_files`
[INFO] [stdout]   --> src/output.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |             OPERATION::PURGE { all_files } => "purged",
[INFO] [stdout]    |                                ^^^^^^^^^ help: try ignoring the field: `all_files: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NONE` is never constructed
[INFO] [stdout]   --> src/operations.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum OPERATION {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |     NONE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OPERATION` 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: function `print_success` is never used
[INFO] [stdout]    --> src/output.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn print_success(message: String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_error` is never used
[INFO] [stdout]    --> src/output.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn print_error(output: String) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_warn` is never used
[INFO] [stdout]    --> src/output.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn print_warn(output: String) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_error_msg` is never used
[INFO] [stdout]    --> src/output.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl OpSpinner {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 225 |     pub fn print_error_msg<S: Colorize>(&self, msg: S) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `files::get_existent_paths`
[INFO] [stdout]  --> src/lib/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use files::get_existent_paths;
[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 import: `indicatif::ProgressBar`
[INFO] [stdout]  --> src/lib/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use indicatif::ProgressBar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MB` should have a snake case name
[INFO] [stdout]   --> benches/overwrite_speed.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let MB = 10usize.pow(6);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `mb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d_cb`
[INFO] [stdout]   --> src/lib/files.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     d_cb: impl Fn(String),
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_d_cb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArgMatches`, `Arg`, `BoolishValueParser`, and `ValueParser`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     builder::{BoolishValueParser, ValueParser},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 4 |     command, value_parser, Arg, ArgMatches,
[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 import: `rrc_lib::files`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rrc_lib::files;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `time::Duration`
[INFO] [stdout]  --> src/operations.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     clone,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]   --> src/operations.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use colored::Colorize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indicatif::ProgressBar`
[INFO] [stdout]   --> src/operations.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use indicatif::ProgressBar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/output.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::{self, Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_dir`
[INFO] [stdout]    --> src/operations.rs:269:46
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn display_cb(&mut self, path: &PathBuf, is_dir: bool) {
[INFO] [stdout]     |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_dir`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_dir`
[INFO] [stdout]    --> src/operations.rs:329:46
[INFO] [stdout]     |
[INFO] [stdout] 329 |     fn display_cb(&mut self, path: &PathBuf, is_dir: bool) {
[INFO] [stdout]     |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_files`
[INFO] [stdout]   --> src/output.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |             OPERATION::PURGE { all_files } => "purging",
[INFO] [stdout]    |                                ^^^^^^^^^ help: try ignoring the field: `all_files: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_files`
[INFO] [stdout]   --> src/output.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |             OPERATION::PURGE { all_files } => "purged",
[INFO] [stdout]    |                                ^^^^^^^^^ help: try ignoring the field: `all_files: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NONE` is never constructed
[INFO] [stdout]   --> src/operations.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum OPERATION {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |     NONE,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OPERATION` 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: function `print_success` is never used
[INFO] [stdout]    --> src/output.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn print_success(message: String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_error` is never used
[INFO] [stdout]    --> src/output.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn print_error(output: String) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_warn` is never used
[INFO] [stdout]    --> src/output.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn print_warn(output: String) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_error_msg` is never used
[INFO] [stdout]    --> src/output.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl OpSpinner {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 225 |     pub fn print_error_msg<S: Colorize>(&self, msg: S) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.71s
[INFO] running `Command { std: "docker" "inspect" "e699ad84be3f4a1adadb25abc4be3ea935f208dec9b7b3e648fb47c02d89e03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e699ad84be3f4a1adadb25abc4be3ea935f208dec9b7b3e648fb47c02d89e03f", kill_on_drop: false }`
[INFO] [stdout] e699ad84be3f4a1adadb25abc4be3ea935f208dec9b7b3e648fb47c02d89e03f
