[INFO] fetching crate rpni 0.1.1...
[INFO] testing rpni-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate rpni 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rpni 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rpni 0.1.1
[INFO] finished tweaking crates.io crate rpni 0.1.1
[INFO] tweaked toml for crates.io crate rpni 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rpni 0.1.1 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-chars v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73db3942f6e16d19e07077a0fece9163ad264306e3a181da603155f60fd5a9ac
[INFO] running `Command { std: "docker" "start" "-a" "73db3942f6e16d19e07077a0fece9163ad264306e3a181da603155f60fd5a9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73db3942f6e16d19e07077a0fece9163ad264306e3a181da603155f60fd5a9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73db3942f6e16d19e07077a0fece9163ad264306e3a181da603155f60fd5a9ac", kill_on_drop: false }`
[INFO] [stdout] 73db3942f6e16d19e07077a0fece9163ad264306e3a181da603155f60fd5a9ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7696d7c03ceed4c492461d3e6681449ff481a1c751770cc010a870713978e646
[INFO] running `Command { std: "docker" "start" "-a" "7696d7c03ceed4c492461d3e6681449ff481a1c751770cc010a870713978e646", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling utf8-chars v1.0.2
[INFO] [stderr]    Compiling rpni v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7696d7c03ceed4c492461d3e6681449ff481a1c751770cc010a870713978e646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7696d7c03ceed4c492461d3e6681449ff481a1c751770cc010a870713978e646", kill_on_drop: false }`
[INFO] [stdout] 7696d7c03ceed4c492461d3e6681449ff481a1c751770cc010a870713978e646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24400c3f7f9ed1eeb5c4ae2b6bf08215863a1f0c8db93c18b9e097c077eb1dc2
[INFO] running `Command { std: "docker" "start" "-a" "24400c3f7f9ed1eeb5c4ae2b6bf08215863a1f0c8db93c18b9e097c077eb1dc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpni v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(test, feature(assert_matches))]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpni` (bin "rpni" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "24400c3f7f9ed1eeb5c4ae2b6bf08215863a1f0c8db93c18b9e097c077eb1dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24400c3f7f9ed1eeb5c4ae2b6bf08215863a1f0c8db93c18b9e097c077eb1dc2", kill_on_drop: false }`
[INFO] [stdout] 24400c3f7f9ed1eeb5c4ae2b6bf08215863a1f0c8db93c18b9e097c077eb1dc2
[INFO] testing rpni-0.1.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate rpni 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rpni 0.1.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rpni 0.1.1
[INFO] finished tweaking crates.io crate rpni 0.1.1
[INFO] tweaked toml for crates.io crate rpni 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate rpni 0.1.1 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8d7b11b6db817ab9b6646fe4b305501abbdb54e93698465dab332d4d96f8ad6
[INFO] running `Command { std: "docker" "start" "-a" "a8d7b11b6db817ab9b6646fe4b305501abbdb54e93698465dab332d4d96f8ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8d7b11b6db817ab9b6646fe4b305501abbdb54e93698465dab332d4d96f8ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d7b11b6db817ab9b6646fe4b305501abbdb54e93698465dab332d4d96f8ad6", kill_on_drop: false }`
[INFO] [stdout] a8d7b11b6db817ab9b6646fe4b305501abbdb54e93698465dab332d4d96f8ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06cc995b8bd6dd4292ce0cd9ec74e3f73e02ce549e053aeee284d7b6018b8c49
[INFO] running `Command { std: "docker" "start" "-a" "06cc995b8bd6dd4292ce0cd9ec74e3f73e02ce549e053aeee284d7b6018b8c49", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling utf8-chars v1.0.2
[INFO] [stderr]    Compiling rpni v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "06cc995b8bd6dd4292ce0cd9ec74e3f73e02ce549e053aeee284d7b6018b8c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cc995b8bd6dd4292ce0cd9ec74e3f73e02ce549e053aeee284d7b6018b8c49", kill_on_drop: false }`
[INFO] [stdout] 06cc995b8bd6dd4292ce0cd9ec74e3f73e02ce549e053aeee284d7b6018b8c49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43f1d96a04655e84ea1fa974d1b93c961d5b15247223cf79c147a35287f6906d
[INFO] running `Command { std: "docker" "start" "-a" "43f1d96a04655e84ea1fa974d1b93c961d5b15247223cf79c147a35287f6906d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpni v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(test, feature(assert_matches))]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpni` (bin "rpni" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "43f1d96a04655e84ea1fa974d1b93c961d5b15247223cf79c147a35287f6906d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f1d96a04655e84ea1fa974d1b93c961d5b15247223cf79c147a35287f6906d", kill_on_drop: false }`
[INFO] [stdout] 43f1d96a04655e84ea1fa974d1b93c961d5b15247223cf79c147a35287f6906d
