[INFO] cloning repository https://github.com/sakateka/conv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sakateka/conv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakateka%2Fconv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakateka%2Fconv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5eda661b5e2792b4cb4a27faa933c1a0a79956b
[INFO] checking sakateka/conv against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakateka%2Fconv" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sakateka/conv on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sakateka/conv
[INFO] finished tweaking git repo https://github.com/sakateka/conv
[INFO] tweaked toml for git repo https://github.com/sakateka/conv written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sakateka/conv 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded clap v2.29.2
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c57801e424f6351f68e2aed1040bc0822eef252b55c25c693b3456f0f0a3b86
[INFO] running `Command { std: "docker" "start" "-a" "8c57801e424f6351f68e2aed1040bc0822eef252b55c25c693b3456f0f0a3b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c57801e424f6351f68e2aed1040bc0822eef252b55c25c693b3456f0f0a3b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c57801e424f6351f68e2aed1040bc0822eef252b55c25c693b3456f0f0a3b86", kill_on_drop: false }`
[INFO] [stdout] 8c57801e424f6351f68e2aed1040bc0822eef252b55c25c693b3456f0f0a3b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bedfb8e0c6e5f886e15c4b073cdaa127512c1f174566bf3a962245a30f5f616
[INFO] running `Command { std: "docker" "start" "-a" "1bedfb8e0c6e5f886e15c4b073cdaa127512c1f174566bf3a962245a30f5f616", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:274:33
[INFO] [stdout]     |
[INFO] [stdout] 274 |         "UTF8" => Box::new(move |_x| {{ None /* unreachable */ }}),
[INFO] [stdout]     |                                       ^^    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 274 -         "UTF8" => Box::new(move |_x| {{ None /* unreachable */ }}),
[INFO] [stdout] 274 +         "UTF8" => Box::new(move |_x| {None}),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:285:32
[INFO] [stdout]     |
[INFO] [stdout] 285 |         "UTF8" => Box::new(move |x| {{ x as u32 }}),
[INFO] [stdout]     |                                      ^^        ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 285 -         "UTF8" => Box::new(move |x| {{ x as u32 }}),
[INFO] [stdout] 285 +         "UTF8" => Box::new(move |x| {x as u32}),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:274:33
[INFO] [stdout]     |
[INFO] [stdout] 274 |         "UTF8" => Box::new(move |_x| {{ None /* unreachable */ }}),
[INFO] [stdout]     |                                       ^^    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 274 -         "UTF8" => Box::new(move |_x| {{ None /* unreachable */ }}),
[INFO] [stdout] 274 +         "UTF8" => Box::new(move |_x| {None}),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:285:32
[INFO] [stdout]     |
[INFO] [stdout] 285 |         "UTF8" => Box::new(move |x| {{ x as u32 }}),
[INFO] [stdout]     |                                      ^^        ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 285 -         "UTF8" => Box::new(move |x| {{ x as u32 }}),
[INFO] [stdout] 285 +         "UTF8" => Box::new(move |x| {x as u32}),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / lazy_static! {
[INFO] [stdout] 2  | |     static ref CP1251_TO_UTF8: [u32;256] = [
[INFO] [stdout] 3  | |         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 
[INFO] [stdout] 4  | |         0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F, 0x0010, 0x0011, 
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     ];
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / lazy_static! {
[INFO] [stdout] 35 | |     static ref UTF8_TO_CP1251: HashMap<u32, u8> = [
[INFO] [stdout] 36 | |         (0x0000, 0x00), (0x0001, 0x01), (0x0002, 0x02), (0x0003, 0x03), (0x0004, 0x04), 
[INFO] [stdout] 37 | |         (0x0005, 0x05), (0x0006, 0x06), (0x0007, 0x07), (0x0008, 0x08), (0x0009, 0x09), 
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |     ].iter().cloned().collect();
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | / lazy_static! {
[INFO] [stdout] 91  | |     static ref KOI8R_TO_UTF8: [u32;256] = [
[INFO] [stdout] 92  | |         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 
[INFO] [stdout] 93  | |         0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F, 0x0010, 0x0011, 
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |     ];
[INFO] [stdout] 122 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | / lazy_static! {
[INFO] [stdout] 124 | |     static ref UTF8_TO_KOI8R: HashMap<u32, u8> = [
[INFO] [stdout] 125 | |         (0x0000, 0x00), (0x0001, 0x01), (0x0002, 0x02), (0x0003, 0x03), (0x0004, 0x04), 
[INFO] [stdout] 126 | |         (0x0005, 0x05), (0x0006, 0x06), (0x0007, 0x07), (0x0008, 0x08), (0x0009, 0x09), 
[INFO] [stdout] ...   |
[INFO] [stdout] 177 | |     ].iter().cloned().collect();
[INFO] [stdout] 178 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / lazy_static! {
[INFO] [stdout] 2  | |     static ref CP1251_TO_UTF8: [u32;256] = [
[INFO] [stdout] 3  | |         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 
[INFO] [stdout] 4  | |         0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F, 0x0010, 0x0011, 
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     ];
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / lazy_static! {
[INFO] [stdout] 180 | |     static ref CP866_TO_UTF8: [u32;256] = [
[INFO] [stdout] 181 | |         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 
[INFO] [stdout] 182 | |         0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010, 0x0011, 
[INFO] [stdout] ...   |
[INFO] [stdout] 210 | |     ];
[INFO] [stdout] 211 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / lazy_static! {
[INFO] [stdout] 35 | |     static ref UTF8_TO_CP1251: HashMap<u32, u8> = [
[INFO] [stdout] 36 | |         (0x0000, 0x00), (0x0001, 0x01), (0x0002, 0x02), (0x0003, 0x03), (0x0004, 0x04), 
[INFO] [stdout] 37 | |         (0x0005, 0x05), (0x0006, 0x06), (0x0007, 0x07), (0x0008, 0x08), (0x0009, 0x09), 
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |     ].iter().cloned().collect();
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:212:1
[INFO] [stdout]     |
[INFO] [stdout] 212 | / lazy_static! {
[INFO] [stdout] 213 | |     static ref UTF8_TO_CP866: HashMap<u32, u8> = [
[INFO] [stdout] 214 | |         (0x0000, 0x00), (0x0001, 0x01), (0x0002, 0x02), (0x0003, 0x03), (0x0004, 0x04), 
[INFO] [stdout] 215 | |         (0x0005, 0x05), (0x0006, 0x06), (0x0007, 0x07), (0x0008, 0x08), (0x0009, 0x09), 
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |     ].iter().cloned().collect();
[INFO] [stdout] 267 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:290:1
[INFO] [stdout]     |
[INFO] [stdout] 290 | / lazy_static! {
[INFO] [stdout] 291 | |     pub static ref SUPPORTED_CODES: Vec<&'static str> = vec!["CP1251", "KOI8R", "CP866"];
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | / lazy_static! {
[INFO] [stdout] 91  | |     static ref KOI8R_TO_UTF8: [u32;256] = [
[INFO] [stdout] 92  | |         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 
[INFO] [stdout] 93  | |         0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F, 0x0010, 0x0011, 
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |     ];
[INFO] [stdout] 122 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     mapper: Box<Fn(usize) -> u32>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     mapper: Box<dyn Fn(usize) -> u32>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     mapper: Box<Fn(u32) -> Option<&'static u8>>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     mapper: Box<dyn Fn(u32) -> Option<&'static u8>>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | / lazy_static! {
[INFO] [stdout] 124 | |     static ref UTF8_TO_KOI8R: HashMap<u32, u8> = [
[INFO] [stdout] 125 | |         (0x0000, 0x00), (0x0001, 0x01), (0x0002, 0x02), (0x0003, 0x03), (0x0004, 0x04), 
[INFO] [stdout] 126 | |         (0x0005, 0x05), (0x0006, 0x06), (0x0007, 0x07), (0x0008, 0x08), (0x0009, 0x09), 
[INFO] [stdout] ...   |
[INFO] [stdout] 177 | |     ].iter().cloned().collect();
[INFO] [stdout] 178 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / lazy_static! {
[INFO] [stdout] 180 | |     static ref CP866_TO_UTF8: [u32;256] = [
[INFO] [stdout] 181 | |         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 
[INFO] [stdout] 182 | |         0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010, 0x0011, 
[INFO] [stdout] ...   |
[INFO] [stdout] 210 | |     ];
[INFO] [stdout] 211 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:212:1
[INFO] [stdout]     |
[INFO] [stdout] 212 | / lazy_static! {
[INFO] [stdout] 213 | |     static ref UTF8_TO_CP866: HashMap<u32, u8> = [
[INFO] [stdout] 214 | |         (0x0000, 0x00), (0x0001, 0x01), (0x0002, 0x02), (0x0003, 0x03), (0x0004, 0x04), 
[INFO] [stdout] 215 | |         (0x0005, 0x05), (0x0006, 0x06), (0x0007, 0x07), (0x0008, 0x08), (0x0009, 0x09), 
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |     ].iter().cloned().collect();
[INFO] [stdout] 267 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:290:1
[INFO] [stdout]     |
[INFO] [stdout] 290 | / lazy_static! {
[INFO] [stdout] 291 | |     pub static ref SUPPORTED_CODES: Vec<&'static str> = vec!["CP1251", "KOI8R", "CP866"];
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     mapper: Box<Fn(usize) -> u32>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     mapper: Box<dyn Fn(usize) -> u32>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     mapper: Box<Fn(u32) -> Option<&'static u8>>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     mapper: Box<dyn Fn(u32) -> Option<&'static u8>>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:269:36
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn get_encode_map(to: &str) -> Box<Fn(u32) -> Option<&'static u8>> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn get_encode_map(to: &str) -> Box<dyn Fn(u32) -> Option<&'static u8>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:280:38
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn get_decode_map(from: &str) -> Box<Fn(usize) -> u32> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn get_decode_map(from: &str) -> Box<dyn Fn(usize) -> u32> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:269:36
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn get_encode_map(to: &str) -> Box<Fn(u32) -> Option<&'static u8>> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn get_encode_map(to: &str) -> Box<dyn Fn(u32) -> Option<&'static u8>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/conv-7f432efd6ded6975/out/charmaps.rs:280:38
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn get_decode_map(from: &str) -> Box<Fn(usize) -> u32> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn get_decode_map(from: &str) -> Box<dyn Fn(usize) -> u32> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]  --> src/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     App::new(format!("{} - Конвертер кодировок текста", name).as_ref())
[INFO] [stdout]   |     ^^^^^^^^                                                  ------ type must be known at this point
[INFO] [stdout]   |     |
[INFO] [stdout]   |     cannot infer type of the type parameter `S` declared on the associated function `new`
[INFO] [stdout]   |
[INFO] [stdout]   = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]           - impl AsRef<OsStr> for String;
[INFO] [stdout]           - impl AsRef<Path> for String;
[INFO] [stdout]           - impl AsRef<[u8]> for String;
[INFO] [stdout]           - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]   |
[INFO] [stdout] 6 |     App::new::<&T>(format!("{} - Конвертер кодировок текста", name).as_ref())
[INFO] [stdout]   |             ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]  --> src/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     App::new(format!("{} - Конвертер кодировок текста", name).as_ref())
[INFO] [stdout]   |     ^^^^^^^^                                                  ------ type must be known at this point
[INFO] [stdout]   |     |
[INFO] [stdout]   |     cannot infer type of the type parameter `S` declared on the associated function `new`
[INFO] [stdout]   |
[INFO] [stdout]   = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`:
[INFO] [stdout]           - impl AsRef<OsStr> for String;
[INFO] [stdout]           - impl AsRef<Path> for String;
[INFO] [stdout]           - impl AsRef<[u8]> for String;
[INFO] [stdout]           - impl AsRef<str> for String;
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]   |
[INFO] [stdout] 6 |     App::new::<&T>(format!("{} - Конвертер кодировок текста", name).as_ref())
[INFO] [stdout]   |             ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conv` (bin "conv") due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conv` (bin "conv" test) due to 2 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1bedfb8e0c6e5f886e15c4b073cdaa127512c1f174566bf3a962245a30f5f616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bedfb8e0c6e5f886e15c4b073cdaa127512c1f174566bf3a962245a30f5f616", kill_on_drop: false }`
[INFO] [stdout] 1bedfb8e0c6e5f886e15c4b073cdaa127512c1f174566bf3a962245a30f5f616