[INFO] fetching crate track8-program 1.0.0...
[INFO] testing track8-program-1.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate track8-program 1.0.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate track8-program 1.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate track8-program 1.0.0
[INFO] finished tweaking crates.io crate track8-program 1.0.0
[INFO] tweaked toml for crates.io crate track8-program 1.0.0 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95818ea31d9e0b718fcbb0fcb4157cff56bcee6a2e7ac216834f4a88afc6e736
[INFO] running `Command { std: "docker" "start" "-a" "95818ea31d9e0b718fcbb0fcb4157cff56bcee6a2e7ac216834f4a88afc6e736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95818ea31d9e0b718fcbb0fcb4157cff56bcee6a2e7ac216834f4a88afc6e736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95818ea31d9e0b718fcbb0fcb4157cff56bcee6a2e7ac216834f4a88afc6e736", kill_on_drop: false }`
[INFO] [stdout] 95818ea31d9e0b718fcbb0fcb4157cff56bcee6a2e7ac216834f4a88afc6e736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f65448bec51afb2e14b24bf4e8f89483b7a7cf1cf0a7f6a05f32c832ee59787
[INFO] running `Command { std: "docker" "start" "-a" "0f65448bec51afb2e14b24bf4e8f89483b7a7cf1cf0a7f6a05f32c832ee59787", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling derive_more v0.9.0
[INFO] [stderr]    Compiling track8-program v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:34:77
[INFO] [stdout]    |
[INFO] [stdout] 34 |   S::Stack{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Stack{buf:b.into()}}
[INFO] [stdout]    |                                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:37:76
[INFO] [stdout]    |
[INFO] [stdout] 37 |   S::Read{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Read{buf:b.into()}}
[INFO] [stdout]    |                                                                            ^^^ help: use `..=` for an inclusive range
[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: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:40:77
[INFO] [stdout]    |
[INFO] [stdout] 40 |   S::Write{ref buf}=>{let mut b:Vec<C>=buf.clone().into();match c.into(){'0'...'9'=>{b.push(c);ns=S::Write{buf:b.into()}}
[INFO] [stdout]    |                                                                             ^^^ help: use `..=` for an inclusive range
[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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from)]#[macro_use]extern crate derive_more;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from)]#[macro_use]extern crate derive_more;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `track8-program` due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0f65448bec51afb2e14b24bf4e8f89483b7a7cf1cf0a7f6a05f32c832ee59787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f65448bec51afb2e14b24bf4e8f89483b7a7cf1cf0a7f6a05f32c832ee59787", kill_on_drop: false }`
[INFO] [stdout] 0f65448bec51afb2e14b24bf4e8f89483b7a7cf1cf0a7f6a05f32c832ee59787