[INFO] fetching crate shared_slice 0.0.4... [INFO] checking shared_slice-0.0.4 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] extracting crate shared_slice 0.0.4 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate shared_slice 0.0.4 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate shared_slice 0.0.4 [INFO] finished tweaking crates.io crate shared_slice 0.0.4 [INFO] tweaked toml for crates.io crate shared_slice 0.0.4 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding rand v0.3.23 (available: v0.8.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9f94b38d91b582b07e10675294587e0186fcc0c3a06ce1895975e361403d757 [INFO] running `Command { std: "docker" "start" "-a" "f9f94b38d91b582b07e10675294587e0186fcc0c3a06ce1895975e361403d757", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9f94b38d91b582b07e10675294587e0186fcc0c3a06ce1895975e361403d757", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9f94b38d91b582b07e10675294587e0186fcc0c3a06ce1895975e361403d757", kill_on_drop: false }` [INFO] [stdout] f9f94b38d91b582b07e10675294587e0186fcc0c3a06ce1895975e361403d757 [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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 951d9df40d6d72c250fa068fbed1fc8aa547e4eb6ba610cb6c46a4169965720b [INFO] running `Command { std: "docker" "start" "-a" "951d9df40d6d72c250fa068fbed1fc8aa547e4eb6ba610cb6c46a4169965720b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking shared_slice v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand v0.4.6 [INFO] [stdout] error[E0259]: the name `core` is defined multiple times [INFO] [stdout] --> src/lib.rs:79:1 [INFO] [stdout] | [INFO] [stdout] 79 | extern crate core; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ `core` reimported here [INFO] [stdout] | [INFO] [stdout] = note: `core` must be defined only once in the type namespace of this module [INFO] [stdout] help: you can use `as` to change the binding name of the import [INFO] [stdout] | [INFO] [stdout] 79 | extern crate core as other_core; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `alloc::arc` [INFO] [stdout] --> src/arc.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use alloc::arc::{Arc, Weak}; [INFO] [stdout] | ^^^ could not find `arc` in `alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `downgrade` found for struct `Rc>` in the current scope [INFO] [stdout] --> src/rc.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | counts: self.counts.downgrade() [INFO] [stdout] | ------------^^^^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | this is an associated function, not a method [INFO] [stdout] | help: use associated function syntax instead: `Rc::>::downgrade(&self.counts)` [INFO] [stdout] | [INFO] [stdout] = note: found the following associated functions; to be used as methods, functions must have a `self` parameter [INFO] [stdout] = note: the candidate is defined in an impl for the type `Rc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0259, E0432, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0259`. [INFO] [stdout] [INFO] [stderr] error: could not compile `shared_slice` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "951d9df40d6d72c250fa068fbed1fc8aa547e4eb6ba610cb6c46a4169965720b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "951d9df40d6d72c250fa068fbed1fc8aa547e4eb6ba610cb6c46a4169965720b", kill_on_drop: false }` [INFO] [stdout] 951d9df40d6d72c250fa068fbed1fc8aa547e4eb6ba610cb6c46a4169965720b