[INFO] fetching crate qecs 0.0.7...
[INFO] testing qecs-0.0.7 against 1.76.0 for beta-1.77-1
[INFO] extracting crate qecs 0.0.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate qecs 0.0.7 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] started tweaking crates.io crate qecs 0.0.7
[INFO] finished tweaking crates.io crate qecs 0.0.7
[INFO] tweaked toml for crates.io crate qecs 0.0.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.2.3
[INFO] [stderr]   Downloaded ioc v0.0.4
[INFO] [stderr]   Downloaded vec_map v0.4.0
[INFO] [stderr]   Downloaded qecs-core v0.0.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 69ad680539953e07ab1359589886be423e86d918260a3f783dfa3a4855fcc58c
[INFO] running `Command { std: "docker" "start" "-a" "69ad680539953e07ab1359589886be423e86d918260a3f783dfa3a4855fcc58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ad680539953e07ab1359589886be423e86d918260a3f783dfa3a4855fcc58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ad680539953e07ab1359589886be423e86d918260a3f783dfa3a4855fcc58c", kill_on_drop: false }`
[INFO] [stdout] 69ad680539953e07ab1359589886be423e86d918260a3f783dfa3a4855fcc58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2f4c21e8f7eb0f3ee63c48ade83f22cdaaa10b6483a3c19272c0ea92ea13da20
[INFO] running `Command { std: "docker" "start" "-a" "2f4c21e8f7eb0f3ee63c48ade83f22cdaaa10b6483a3c19272c0ea92ea13da20", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling downcast v0.2.3
[INFO] [stderr]    Compiling vec_map v0.4.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/downcast-0.2.3/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(get_type_id)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_type_id` found for reference `&T` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/downcast-0.2.3/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     obj.get_type_id()
[INFO] [stdout]    |         ^^^^^^^^^^^ help: there is a method with a similar name: `type_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `downcast` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2f4c21e8f7eb0f3ee63c48ade83f22cdaaa10b6483a3c19272c0ea92ea13da20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4c21e8f7eb0f3ee63c48ade83f22cdaaa10b6483a3c19272c0ea92ea13da20", kill_on_drop: false }`
[INFO] [stdout] 2f4c21e8f7eb0f3ee63c48ade83f22cdaaa10b6483a3c19272c0ea92ea13da20
[INFO] testing qecs-0.0.7 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate qecs 0.0.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate qecs 0.0.7 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] started tweaking crates.io crate qecs 0.0.7
[INFO] finished tweaking crates.io crate qecs 0.0.7
[INFO] tweaked toml for crates.io crate qecs 0.0.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b644d821e40362d0bb1987f67d9be510d473a1c78c88c9f0bf0df9ff3bc4634b
[INFO] running `Command { std: "docker" "start" "-a" "b644d821e40362d0bb1987f67d9be510d473a1c78c88c9f0bf0df9ff3bc4634b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b644d821e40362d0bb1987f67d9be510d473a1c78c88c9f0bf0df9ff3bc4634b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b644d821e40362d0bb1987f67d9be510d473a1c78c88c9f0bf0df9ff3bc4634b", kill_on_drop: false }`
[INFO] [stdout] b644d821e40362d0bb1987f67d9be510d473a1c78c88c9f0bf0df9ff3bc4634b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4783df8da667a6074a7a1d5a2710af1bb0188a67ac18c2f8d8086c85eb8ad0da
[INFO] running `Command { std: "docker" "start" "-a" "4783df8da667a6074a7a1d5a2710af1bb0188a67ac18c2f8d8086c85eb8ad0da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling downcast v0.2.3
[INFO] [stderr]    Compiling vec_map v0.4.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/downcast-0.2.3/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(get_type_id)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stdout] error[E0599]: no method named `get_type_id` found for reference `&T` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/downcast-0.2.3/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     obj.get_type_id()
[INFO] [stdout]    |         ^^^^^^^^^^^ help: there is a method with a similar name: `type_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `downcast` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4783df8da667a6074a7a1d5a2710af1bb0188a67ac18c2f8d8086c85eb8ad0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4783df8da667a6074a7a1d5a2710af1bb0188a67ac18c2f8d8086c85eb8ad0da", kill_on_drop: false }`
[INFO] [stdout] 4783df8da667a6074a7a1d5a2710af1bb0188a67ac18c2f8d8086c85eb8ad0da
