[INFO] cloning repository https://github.com/Ameliorate/track8-program [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ameliorate/track8-program" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmeliorate%2Ftrack8-program", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmeliorate%2Ftrack8-program'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b91c4ee4106de486ddbfcb61bdabc385d1a4c12c [INFO] testing Ameliorate/track8-program against 1.54.0 for beta-1.55-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmeliorate%2Ftrack8-program" "/workspace/builds/worker-75/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ameliorate/track8-program on toolchain 1.54.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ameliorate/track8-program [INFO] finished tweaking git repo https://github.com/Ameliorate/track8-program [INFO] tweaked toml for git repo https://github.com/Ameliorate/track8-program written to /workspace/builds/worker-75/source/Cargo.toml [INFO] crate git repo https://github.com/Ameliorate/track8-program already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 397575aab69f6b6a964a8ff2ac5d0c4ffa8025cfdbdf9f4d393262ec46c66adc [INFO] running `Command { std: "docker" "start" "-a" "397575aab69f6b6a964a8ff2ac5d0c4ffa8025cfdbdf9f4d393262ec46c66adc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "397575aab69f6b6a964a8ff2ac5d0c4ffa8025cfdbdf9f4d393262ec46c66adc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "397575aab69f6b6a964a8ff2ac5d0c4ffa8025cfdbdf9f4d393262ec46c66adc", kill_on_drop: false }` [INFO] [stdout] 397575aab69f6b6a964a8ff2ac5d0c4ffa8025cfdbdf9f4d393262ec46c66adc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 768f6912382ee4fd1d5466646fea3e8566c4dbb2d14533fcc708aa217f5e0bbd [INFO] running `Command { std: "docker" "start" "-a" "768f6912382ee4fd1d5466646fea3e8566c4dbb2d14533fcc708aa217f5e0bbd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling bitflags v1.0.3 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling atty v0.2.10 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling clap v2.31.2 [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] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)]#[macro_use]extern crate derive_more; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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=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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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=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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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=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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 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` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "768f6912382ee4fd1d5466646fea3e8566c4dbb2d14533fcc708aa217f5e0bbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "768f6912382ee4fd1d5466646fea3e8566c4dbb2d14533fcc708aa217f5e0bbd", kill_on_drop: false }` [INFO] [stdout] 768f6912382ee4fd1d5466646fea3e8566c4dbb2d14533fcc708aa217f5e0bbd