[INFO] cloning repository https://github.com/rctcwyvrn/rust_typeclass_nonsense [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rctcwyvrn/rust_typeclass_nonsense" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frctcwyvrn%2Frust_typeclass_nonsense", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frctcwyvrn%2Frust_typeclass_nonsense'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fcd22676b59bb9d6bf6728c015bc47a26c8f11fe [INFO] checking rctcwyvrn/rust_typeclass_nonsense against master#3cdcdaf31b45f8045164aae9604573d23091970b for pr-122267 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frctcwyvrn%2Frust_typeclass_nonsense" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense on toolchain 3cdcdaf31b45f8045164aae9604573d23091970b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense [INFO] finished tweaking git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense [INFO] tweaked toml for git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense 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" "+3cdcdaf31b45f8045164aae9604573d23091970b" "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 [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking rctcwyvrn/rust_typeclass_nonsense against try#05804f728f276cf7ecedbf71c814df440d37f293 for pr-122267 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frctcwyvrn%2Frust_typeclass_nonsense" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense on toolchain 05804f728f276cf7ecedbf71c814df440d37f293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense [INFO] finished tweaking git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense [INFO] tweaked toml for git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rctcwyvrn/rust_typeclass_nonsense 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" "+05804f728f276cf7ecedbf71c814df440d37f293" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 724b0e3c98f759d5093bbdd156c9e429a1aeb0f7ae8a0bdc2fbdf5643652c519 [INFO] running `Command { std: "docker" "start" "-a" "724b0e3c98f759d5093bbdd156c9e429a1aeb0f7ae8a0bdc2fbdf5643652c519", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "724b0e3c98f759d5093bbdd156c9e429a1aeb0f7ae8a0bdc2fbdf5643652c519", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "724b0e3c98f759d5093bbdd156c9e429a1aeb0f7ae8a0bdc2fbdf5643652c519", kill_on_drop: false }` [INFO] [stdout] 724b0e3c98f759d5093bbdd156c9e429a1aeb0f7ae8a0bdc2fbdf5643652c519 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+05804f728f276cf7ecedbf71c814df440d37f293" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db058a4d9bdbb4918cc2b12b616436b1a8c5302b2541be15213f3e9b188d80d9 [INFO] running `Command { std: "docker" "start" "-a" "db058a4d9bdbb4918cc2b12b616436b1a8c5302b2541be15213f3e9b188d80d9", kill_on_drop: false }` [INFO] [stderr] Checking rust_typeclass_nonsense v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type parameter `b1` should have an upper camel case name [INFO] [stdout] --> src/main.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 59 | trait Not {} [INFO] [stdout] | ^^ help: convert the identifier to upper camel case: `B1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type parameter `b` should have an upper camel case name [INFO] [stdout] --> src/main.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | trait Not {} [INFO] [stdout] | ^ help: convert the identifier to upper camel case: `B` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type parameter `b1` should have an upper camel case name [INFO] [stdout] --> src/main.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 59 | trait Not {} [INFO] [stdout] | ^^ help: convert the identifier to upper camel case: `B1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type parameter `b` should have an upper camel case name [INFO] [stdout] --> src/main.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | trait Not {} [INFO] [stdout] | ^ help: convert the identifier to upper camel case: `B` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | impl Not {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 60 | impl dyn Not {} [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:61:10 [INFO] [stdout] | [INFO] [stdout] 61 | impl Not {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 61 | impl dyn Not {} [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | impl Not {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 60 | impl dyn Not {} [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:61:10 [INFO] [stdout] | [INFO] [stdout] 61 | impl Not {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 61 | impl dyn Not {} [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Not` is never used [INFO] [stdout] --> src/main.rs:59:11 [INFO] [stdout] | [INFO] [stdout] 59 | trait Not {} [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Not` is never used [INFO] [stdout] --> src/main.rs:59:11 [INFO] [stdout] | [INFO] [stdout] 59 | trait Not {} [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "db058a4d9bdbb4918cc2b12b616436b1a8c5302b2541be15213f3e9b188d80d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db058a4d9bdbb4918cc2b12b616436b1a8c5302b2541be15213f3e9b188d80d9", kill_on_drop: false }` [INFO] [stdout] db058a4d9bdbb4918cc2b12b616436b1a8c5302b2541be15213f3e9b188d80d9