[INFO] fetching crate commons-net 0.1.0...
[INFO] checking commons-net-0.1.0 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate commons-net 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate commons-net 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 commons-net 0.1.0
[INFO] finished tweaking crates.io crate commons-net 0.1.0
[INFO] tweaked toml for crates.io crate commons-net 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] a662dc77ad4bac5322681aa50aa42b34c2970153023c6de38bf2f03225937453
[INFO] running `Command { std: "docker" "start" "-a" "a662dc77ad4bac5322681aa50aa42b34c2970153023c6de38bf2f03225937453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a662dc77ad4bac5322681aa50aa42b34c2970153023c6de38bf2f03225937453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a662dc77ad4bac5322681aa50aa42b34c2970153023c6de38bf2f03225937453", kill_on_drop: false }`
[INFO] [stdout] a662dc77ad4bac5322681aa50aa42b34c2970153023c6de38bf2f03225937453
[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] 8f23aef165a69389833362f38803ba8aa5ea8aa51e509bb4b2280cc07fadddc1
[INFO] running `Command { std: "docker" "start" "-a" "8f23aef165a69389833362f38803ba8aa5ea8aa51e509bb4b2280cc07fadddc1", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking commons-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/ftp/ftp_client.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::{Borrow, Cow};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/ftp/ftp_client.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/ftp/ftp_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IpAddr` is imported redundantly
[INFO] [stdout]    --> src/ftp/ftp_client.rs:524:32
[INFO] [stdout]     |
[INFO] [stdout] 5   | use std::net::{IpAddr, SocketAddr};
[INFO] [stdout]     |                ------ the item `IpAddr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 524 |                 use std::net::{IpAddr, Ipv4Addr};
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Display`
[INFO] [stdout]  --> src/ftp/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/ftp/ftp_client.rs:476:24
[INFO] [stdout]     |
[INFO] [stdout] 476 |             IpAddr::V4(addr) => args.push_str("1"),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/ftp/ftp_client.rs:477:24
[INFO] [stdout]     |
[INFO] [stdout] 477 |             IpAddr::V6(addr) => args.push_str("2"),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::ymd`: use `with_ymd_and_hms()` instead
[INFO] [stdout]    --> src/ftp/ftp_client.rs:855:25
[INFO] [stdout]     |
[INFO] [stdout] 855 |                     Utc.ymd(year, month, day).and_hms(hour, minute, second),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]    --> src/ftp/ftp_client.rs:855:47
[INFO] [stdout]     |
[INFO] [stdout] 855 |                     Utc.ymd(year, month, day).and_hms(hour, minute, second),
[INFO] [stdout]     |                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]    --> src/ftp/ftp_client.rs:903:29
[INFO] [stdout]     |
[INFO] [stdout] 903 |                     let mut key = "";
[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: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]    --> src/lib.rs:106:18
[INFO] [stdout]     |
[INFO] [stdout] 106 |             self.slice_unchecked(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/ftp/ftp_client.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::{Borrow, Cow};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/ftp/ftp_client.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/ftp/ftp_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IpAddr` is imported redundantly
[INFO] [stdout]    --> src/ftp/ftp_client.rs:524:32
[INFO] [stdout]     |
[INFO] [stdout] 5   | use std::net::{IpAddr, SocketAddr};
[INFO] [stdout]     |                ------ the item `IpAddr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 524 |                 use std::net::{IpAddr, Ipv4Addr};
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Display`
[INFO] [stdout]  --> src/ftp/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/ftp/ftp_client.rs:476:24
[INFO] [stdout]     |
[INFO] [stdout] 476 |             IpAddr::V4(addr) => args.push_str("1"),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/ftp/ftp_client.rs:477:24
[INFO] [stdout]     |
[INFO] [stdout] 477 |             IpAddr::V6(addr) => args.push_str("2"),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::ymd`: use `with_ymd_and_hms()` instead
[INFO] [stdout]    --> src/ftp/ftp_client.rs:855:25
[INFO] [stdout]     |
[INFO] [stdout] 855 |                     Utc.ymd(year, month, day).and_hms(hour, minute, second),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::Date::<Tz>::and_hms`: Use and_hms_opt() instead
[INFO] [stdout]    --> src/ftp/ftp_client.rs:855:47
[INFO] [stdout]     |
[INFO] [stdout] 855 |                     Utc.ymd(year, month, day).and_hms(hour, minute, second),
[INFO] [stdout]     |                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]    --> src/ftp/ftp_client.rs:903:29
[INFO] [stdout]     |
[INFO] [stdout] 903 |                     let mut key = "";
[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: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]    --> src/lib.rs:106:18
[INFO] [stdout]     |
[INFO] [stdout] 106 |             self.slice_unchecked(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "8f23aef165a69389833362f38803ba8aa5ea8aa51e509bb4b2280cc07fadddc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f23aef165a69389833362f38803ba8aa5ea8aa51e509bb4b2280cc07fadddc1", kill_on_drop: false }`
[INFO] [stdout] 8f23aef165a69389833362f38803ba8aa5ea8aa51e509bb4b2280cc07fadddc1
