[INFO] cloning repository https://github.com/ratijas/mess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ratijas/mess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fratijas%2Fmess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fratijas%2Fmess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36fcf1917973f8ed310d8935aedb93625bd34512
[INFO] checking ratijas/mess against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fratijas%2Fmess" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ratijas/mess on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ratijas/mess
[INFO] finished tweaking git repo https://github.com/ratijas/mess
[INFO] tweaked toml for git repo https://github.com/ratijas/mess written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/ratijas/mess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 9c8bd27439d98f9916512be1eed15612c4fd2ae3da35320eaa7d55e43a22201a
[INFO] running `Command { std: "docker" "start" "-a" "9c8bd27439d98f9916512be1eed15612c4fd2ae3da35320eaa7d55e43a22201a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c8bd27439d98f9916512be1eed15612c4fd2ae3da35320eaa7d55e43a22201a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8bd27439d98f9916512be1eed15612c4fd2ae3da35320eaa7d55e43a22201a", kill_on_drop: false }`
[INFO] [stdout] 9c8bd27439d98f9916512be1eed15612c4fd2ae3da35320eaa7d55e43a22201a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59473cefffdbca5a6f5155c52bd25e249f8643ef7a6c0db8cbf45eef9d983e07
[INFO] running `Command { std: "docker" "start" "-a" "59473cefffdbca5a6f5155c52bd25e249f8643ef7a6c0db8cbf45eef9d983e07", kill_on_drop: false }`
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[INFO] [stderr]     Checking mess-algos v0.1.0 (/opt/rustwide/workdir/mess-algos)
[INFO] [stdout] error: cannot find macro `json` in this scope
[INFO] [stdout]    --> mess-algos/src/types/data.rs:102:26
[INFO] [stdout]     |
[INFO] [stdout] 102 |         assert_eq!(json, json!({
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this macro:
[INFO] [stdout]             serde_json::json
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> mess-algos/src/compression/rle.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/data.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let compressor: Box<Compression<u8>> = compression.clone().into();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Compression<u8>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/data.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let coder: Box<Coding> = coding.clone().into();
[INFO] [stdout]    |                        ^^^^^^ help: use `dyn`: `dyn Coding`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/data.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let decoder: Box<Coding> = coding.into();
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Coding`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/data.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 let compressor: Box<Compression<u8>> = compression.into();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Compression<u8>`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/coding.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Into<Box<::coding::Coding>> for Coding {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::coding::Coding)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/coding.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn into(self) -> Box<::coding::Coding> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::coding::Coding)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/compression.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Into<Box<::compression::Compression<u8>>> for Compression {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::compression::Compression<u8>)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/compression.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn into(self) -> Box<::compression::Compression<u8>> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::compression::Compression<u8>)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> mess-algos/src/compression/rle.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/data.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let compressor: Box<Compression<u8>> = compression.clone().into();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Compression<u8>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/data.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let coder: Box<Coding> = coding.clone().into();
[INFO] [stdout]    |                        ^^^^^^ help: use `dyn`: `dyn Coding`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/data.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let decoder: Box<Coding> = coding.into();
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Coding`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/data.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 let compressor: Box<Compression<u8>> = compression.into();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Compression<u8>`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/coding.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Into<Box<::coding::Coding>> for Coding {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::coding::Coding)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/coding.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn into(self) -> Box<::coding::Coding> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::coding::Coding)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/compression.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Into<Box<::compression::Compression<u8>>> for Compression {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::compression::Compression<u8>)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> mess-algos/src/types/compression.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn into(self) -> Box<::compression::Compression<u8>> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::compression::Compression<u8>)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mess-algos` due to 2 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "59473cefffdbca5a6f5155c52bd25e249f8643ef7a6c0db8cbf45eef9d983e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59473cefffdbca5a6f5155c52bd25e249f8643ef7a6c0db8cbf45eef9d983e07", kill_on_drop: false }`
[INFO] [stdout] 59473cefffdbca5a6f5155c52bd25e249f8643ef7a6c0db8cbf45eef9d983e07
