[INFO] fetching crate tor_client 0.0.11...
[INFO] checking tor_client-0.0.11 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate tor_client 0.0.11 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tor_client 0.0.11
[INFO] finished tweaking crates.io crate tor_client 0.0.11
[INFO] tweaked toml for crates.io crate tor_client 0.0.11 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tor_client 0.0.11 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tor_client 0.0.11 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded simple_logger v1.6.0
[INFO] [stderr]   Downloaded socks v0.2.3
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded escargot v0.3.1
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded predicates v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded chrono v0.4.11
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded assert_cmd v0.10.2
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2a04b0ba00c2bb22d2f615c59afea51cf7192cbd075bedbe49b2f146b5067b8
[INFO] running `Command { std: "docker" "start" "-a" "e2a04b0ba00c2bb22d2f615c59afea51cf7192cbd075bedbe49b2f146b5067b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2a04b0ba00c2bb22d2f615c59afea51cf7192cbd075bedbe49b2f146b5067b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a04b0ba00c2bb22d2f615c59afea51cf7192cbd075bedbe49b2f146b5067b8", kill_on_drop: false }`
[INFO] [stdout] e2a04b0ba00c2bb22d2f615c59afea51cf7192cbd075bedbe49b2f146b5067b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0ad862e8794da3dec1667178c35d1786cb746f3547efcb59726b7f0594301e3
[INFO] running `Command { std: "docker" "start" "-a" "f0ad862e8794da3dec1667178c35d1786cb746f3547efcb59726b7f0594301e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking socks v0.2.3
[INFO] [stderr]     Checking predicates v1.0.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking tor_client v0.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/lib.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Error, BufReader, Write, BufRead, Read, ErrorKind};
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]  --> src/lib.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use byteorder::{LittleEndian, BigEndian, WriteBytesExt};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |             Ok(m) => return Ok(conn),
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut tor = TORConnection::connect(tcp_addr)?;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DEFAULT_CONTROL` is never used
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static DEFAULT_CONTROL: &'static str = "127.0.0.1:9051";
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DEFAULT_BROWSER` is never used
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static DEFAULT_BROWSER: &'static str = "127.0.0.1:9150";
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DEFAULT_HIDDEN_SERVICE` is never used
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | static DEFAULT_HIDDEN_SERVICE: &'static str = "127.0.0.1:9151";
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         req.write_all(host_name.as_bytes()); // Host name
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let _ = req.write_all(host_name.as_bytes()); // Host name
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/bin/tor_client.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, ErrorKind};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> tests/tor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;  // Run programs
[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: `assert_cmd::prelude::*`
[INFO] [stdout]  --> tests/tor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use assert_cmd::prelude::*; // Add methods on commands
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/bin/tor_client.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Error, ErrorKind};
[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: `BufRead`
[INFO] [stdout]  --> src/lib.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Error, BufReader, Write, BufRead, Read, ErrorKind};
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]  --> src/lib.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | use byteorder::{LittleEndian, BigEndian, WriteBytesExt};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |             Ok(m) => return Ok(conn),
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut tor = TORConnection::connect(tcp_addr)?;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DEFAULT_CONTROL` is never used
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static DEFAULT_CONTROL: &'static str = "127.0.0.1:9051";
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DEFAULT_BROWSER` is never used
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static DEFAULT_BROWSER: &'static str = "127.0.0.1:9150";
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DEFAULT_HIDDEN_SERVICE` is never used
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | static DEFAULT_HIDDEN_SERVICE: &'static str = "127.0.0.1:9151";
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         req.write_all(host_name.as_bytes()); // Host name
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let _ = req.write_all(host_name.as_bytes()); // Host name
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "f0ad862e8794da3dec1667178c35d1786cb746f3547efcb59726b7f0594301e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ad862e8794da3dec1667178c35d1786cb746f3547efcb59726b7f0594301e3", kill_on_drop: false }`
[INFO] [stdout] f0ad862e8794da3dec1667178c35d1786cb746f3547efcb59726b7f0594301e3