[INFO] fetching crate br-email 0.1.23...
[INFO] checking br-email-0.1.23 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate br-email 0.1.23 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate br-email 0.1.23 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate br-email 0.1.23
[INFO] finished tweaking crates.io crate br-email 0.1.23
[INFO] tweaked toml for crates.io crate br-email 0.1.23 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate br-email 0.1.23 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" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quoted_printable v0.4.8
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[INFO] [stderr]   Downloaded email_address v0.2.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66ecffab67277eaef0da865f5c81828c31ca2aa33e6617961976a6c4371c7d17
[INFO] running `Command { std: "docker" "start" "-a" "66ecffab67277eaef0da865f5c81828c31ca2aa33e6617961976a6c4371c7d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ecffab67277eaef0da865f5c81828c31ca2aa33e6617961976a6c4371c7d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ecffab67277eaef0da865f5c81828c31ca2aa33e6617961976a6c4371c7d17", kill_on_drop: false }`
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[INFO] [stdout] 59508dd82b1a0f0ac761f467e19f05d98fe91be6c25f126c3ebc9b8f4cd5a008
[INFO] running `Command { std: "docker" "start" "-a" "59508dd82b1a0f0ac761f467e19f05d98fe91be6c25f126c3ebc9b8f4cd5a008", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `encode_file`
[INFO] [stdout]  --> src/imap/mod.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use br_crypto::base64::{encode_file, encode_mail};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decode`
[INFO] [stdout]  --> src/imap/analysis.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use br_crypto::base64::{decode, decode_mail};
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `encode_file`
[INFO] [stdout]  --> src/imap/mod.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use br_crypto::base64::{encode_file, encode_mail};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decode`
[INFO] [stdout]  --> src/imap/analysis.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use br_crypto::base64::{decode, decode_mail};
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/imap/analysis.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut mail_list: Vec<&str> = temp_data.split("\r\n\r\n").collect();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/imap/analysis.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut mail_list: Vec<&str> = temp_data.split("\r\n\r\n").collect();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `part_subject` is never read
[INFO] [stdout]    --> src/imap/analysis.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   let mut part_subject = String::new();
[INFO] [stdout]     |                               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `part_subject` is never read
[INFO] [stdout]    --> src/imap/analysis.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   let mut part_subject = String::new();
[INFO] [stdout]     |                               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/imap/analysis.rs:570:13
[INFO] [stdout]     |
[INFO] [stdout] 570 |         let mut temp: Vec<&str> = data.split(JOIN_STR).collect();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/imap/analysis.rs:570:13
[INFO] [stdout]     |
[INFO] [stdout] 570 |         let mut temp: Vec<&str> = data.split(JOIN_STR).collect();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |         println!("连接中... {}", self.host.as_str().clone());
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:37:77
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut gmail_socket = match POP3Stream::connect((self.host.as_str().clone(), self.port.parse::<u16>().unwrap()),
[INFO] [stdout]    |                                                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:39:76
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   self.host.as_str().clone())
[INFO] [stdout]    |                                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:48:46
[INFO] [stdout]    |
[INFO] [stdout] 48 |         gmail_socket.login(self.mail.as_str().clone(), self.pass.as_str().clone());
[INFO] [stdout]    |                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:48:74
[INFO] [stdout]    |
[INFO] [stdout] 48 |         gmail_socket.login(self.mail.as_str().clone(), self.pass.as_str().clone());
[INFO] [stdout]    |                                                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/imap/analysis.rs:711:52
[INFO] [stdout]     |
[INFO] [stdout] 711 |             let hash = str_to_md5(split_filename[0].clone());
[INFO] [stdout]     |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/imap/analysis.rs:712:91
[INFO] [stdout]     |
[INFO] [stdout] 712 |             let path = format!("{}\\{}", self.file_save_address.clone(), split_filename[1].clone());
[INFO] [stdout]     |                                                                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/imap/analysis.rs:717:52
[INFO] [stdout]     |
[INFO] [stdout] 717 |             more_info["suffix"] = split_filename[1].clone().into();
[INFO] [stdout]     |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |         println!("连接中... {}", self.host.as_str().clone());
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/smtp/mod.rs:87:68
[INFO] [stdout]    |
[INFO] [stdout] 87 |         return Attachment::new(name.to_string()).body(fs::read(path.clone()).unwrap(), content_type);
[INFO] [stdout]    |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:37:77
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut gmail_socket = match POP3Stream::connect((self.host.as_str().clone(), self.port.parse::<u16>().unwrap()),
[INFO] [stdout]    |                                                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:39:76
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   self.host.as_str().clone())
[INFO] [stdout]    |                                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:48:46
[INFO] [stdout]    |
[INFO] [stdout] 48 |         gmail_socket.login(self.mail.as_str().clone(), self.pass.as_str().clone());
[INFO] [stdout]    |                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/pop3/mod.rs:48:74
[INFO] [stdout]    |
[INFO] [stdout] 48 |         gmail_socket.login(self.mail.as_str().clone(), self.pass.as_str().clone());
[INFO] [stdout]    |                                                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/imap/analysis.rs:711:52
[INFO] [stdout]     |
[INFO] [stdout] 711 |             let hash = str_to_md5(split_filename[0].clone());
[INFO] [stdout]     |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/imap/analysis.rs:712:91
[INFO] [stdout]     |
[INFO] [stdout] 712 |             let path = format!("{}\\{}", self.file_save_address.clone(), split_filename[1].clone());
[INFO] [stdout]     |                                                                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/imap/analysis.rs:717:52
[INFO] [stdout]     |
[INFO] [stdout] 717 |             more_info["suffix"] = split_filename[1].clone().into();
[INFO] [stdout]     |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/smtp/mod.rs:87:68
[INFO] [stdout]    |
[INFO] [stdout] 87 |         return Attachment::new(name.to_string()).body(fs::read(path.clone()).unwrap(), content_type);
[INFO] [stdout]    |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "59508dd82b1a0f0ac761f467e19f05d98fe91be6c25f126c3ebc9b8f4cd5a008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59508dd82b1a0f0ac761f467e19f05d98fe91be6c25f126c3ebc9b8f4cd5a008", kill_on_drop: false }`
[INFO] [stdout] 59508dd82b1a0f0ac761f467e19f05d98fe91be6c25f126c3ebc9b8f4cd5a008
