[INFO] fetching crate nintendo-lz 0.1.3...
[INFO] testing nintendo-lz-0.1.3 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate nintendo-lz 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nintendo-lz 0.1.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nintendo-lz 0.1.3
[INFO] finished tweaking crates.io crate nintendo-lz 0.1.3
[INFO] tweaked toml for crates.io crate nintendo-lz 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7f57c7c826150965248db80ef0a196d6bf3065b267c2cd6d683f366628c29ad
[INFO] running `Command { std: "docker" "start" "-a" "e7f57c7c826150965248db80ef0a196d6bf3065b267c2cd6d683f366628c29ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7f57c7c826150965248db80ef0a196d6bf3065b267c2cd6d683f366628c29ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f57c7c826150965248db80ef0a196d6bf3065b267c2cd6d683f366628c29ad", kill_on_drop: false }`
[INFO] [stdout] e7f57c7c826150965248db80ef0a196d6bf3065b267c2cd6d683f366628c29ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b87d313c9402fa058a373083c4cf23620db337c26fee727a4c5ffd4a08d19726
[INFO] running `Command { std: "docker" "start" "-a" "b87d313c9402fa058a373083c4cf23620db337c26fee727a4c5ffd4a08d19726", kill_on_drop: false }`
[INFO] [stderr]    Compiling nintendo-lz v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/errors.rs:5:44
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stdout]   |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |             fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] ...
[INFO] [stdout] 36 | make_err!(InvalidMagicNumberError);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `make_err` (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/errors.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |             fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] ...
[INFO] [stdout] 37 | make_err!(OutOfRangeError);
[INFO] [stdout]    | --------------------------- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `make_err` (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/lib.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn decompress(inp: &mut Read) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:20:58
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn decompress(inp: &mut Read) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:60
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn decompress_arr(input: &[u8]) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:142:39
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn compress(inp: &[u8], out: &mut Write, level: CompressionLevel) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:142:89
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn compress(inp: &[u8], out: &mut Write, level: CompressionLevel) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:242:58
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn compress_arr(input: &[u8]) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/bin/lz11.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::{Arg, App, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bin/lz11.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn read_to_vec(src: &mut Read, dest: &mut Vec<u8>) -> std::io::Result<usize> {
[INFO] [stdout]   |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "b87d313c9402fa058a373083c4cf23620db337c26fee727a4c5ffd4a08d19726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87d313c9402fa058a373083c4cf23620db337c26fee727a4c5ffd4a08d19726", kill_on_drop: false }`
[INFO] [stdout] b87d313c9402fa058a373083c4cf23620db337c26fee727a4c5ffd4a08d19726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92e9f989b3cc8d2569eef8d29473e8082086bc9b243d5defb9e3e098285d6515
[INFO] running `Command { std: "docker" "start" "-a" "92e9f989b3cc8d2569eef8d29473e8082086bc9b243d5defb9e3e098285d6515", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/errors.rs:5:44
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stdout]   |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |             fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] ...
[INFO] [stdout] 36 | make_err!(InvalidMagicNumberError);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `make_err` (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/errors.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |             fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] ...
[INFO] [stdout] 37 | make_err!(OutOfRangeError);
[INFO] [stdout]    | --------------------------- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `make_err` (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/lib.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn decompress(inp: &mut Read) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:20:58
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn decompress(inp: &mut Read) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:60
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn decompress_arr(input: &[u8]) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:142:39
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn compress(inp: &[u8], out: &mut Write, level: CompressionLevel) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nintendo-lz v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:142:89
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn compress(inp: &[u8], out: &mut Write, level: CompressionLevel) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:242:58
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn compress_arr(input: &[u8]) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/errors.rs:5:44
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stdout]   |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |             fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] ...
[INFO] [stdout] 36 | make_err!(InvalidMagicNumberError);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `make_err` (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/errors.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |             fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] ...
[INFO] [stdout] 37 | make_err!(OutOfRangeError);
[INFO] [stdout]    | --------------------------- in this macro invocation
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `make_err` (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/lib.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn decompress(inp: &mut Read) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Read`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:20:58
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn decompress(inp: &mut Read) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:60
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn decompress_arr(input: &[u8]) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:142:39
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn compress(inp: &[u8], out: &mut Write, level: CompressionLevel) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:142:89
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn compress(inp: &[u8], out: &mut Write, level: CompressionLevel) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:242:58
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn compress_arr(input: &[u8]) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/bin/lz11.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::{Arg, App, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bin/lz11.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn read_to_vec(src: &mut Read, dest: &mut Vec<u8>) -> std::io::Result<usize> {
[INFO] [stdout]   |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "92e9f989b3cc8d2569eef8d29473e8082086bc9b243d5defb9e3e098285d6515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e9f989b3cc8d2569eef8d29473e8082086bc9b243d5defb9e3e098285d6515", kill_on_drop: false }`
[INFO] [stdout] 92e9f989b3cc8d2569eef8d29473e8082086bc9b243d5defb9e3e098285d6515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b05267689fc668e2d3d5750a3b5a7aa276a79959651874e00a5d746a79d8df8b
[INFO] running `Command { std: "docker" "start" "-a" "b05267689fc668e2d3d5750a3b5a7aa276a79959651874e00a5d746a79d8df8b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/errors.rs:5:44
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]   |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:29:40
[INFO] [stderr]    |
[INFO] [stderr] 29 |             fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] ...
[INFO] [stderr] 36 | make_err!(InvalidMagicNumberError);
[INFO] [stderr]    | ----------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `make_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:29:40
[INFO] [stderr]    |
[INFO] [stderr] 29 |             fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] ...
[INFO] [stderr] 37 | make_err!(OutOfRangeError);
[INFO] [stderr]    | --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `make_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn decompress(inp: &mut Read) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stderr]    |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:20:58
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn decompress(inp: &mut Read) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:81:60
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn decompress_arr(input: &[u8]) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:142:39
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn compress(inp: &[u8], out: &mut Write, level: CompressionLevel) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:142:89
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn compress(inp: &[u8], out: &mut Write, level: CompressionLevel) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:242:58
[INFO] [stderr]     |
[INFO] [stderr] 242 | pub fn compress_arr(input: &[u8]) -> Result<Vec<u8>, Box<::std::error::Error>> {
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `nintendo-lz` (lib) generated 9 warnings
[INFO] [stderr] warning: `nintendo-lz` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/bin/lz11.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bin/lz11.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn read_to_vec(src: &mut Read, dest: &mut Vec<u8>) -> std::io::Result<usize> {
[INFO] [stderr]   |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `nintendo-lz` (bin "lz11" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nintendo_lz-f13e1bc01102ce64)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lz11-6a7cba147efe5fda)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nintendo-lz
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - compress (line 137) ... ignored
[INFO] [stdout] test src/lib.rs - decompress (line 16) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b05267689fc668e2d3d5750a3b5a7aa276a79959651874e00a5d746a79d8df8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05267689fc668e2d3d5750a3b5a7aa276a79959651874e00a5d746a79d8df8b", kill_on_drop: false }`
[INFO] [stdout] b05267689fc668e2d3d5750a3b5a7aa276a79959651874e00a5d746a79d8df8b
