[INFO] cloning repository https://github.com/parrottq/tworld [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parrottq/tworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparrottq%2Ftworld", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparrottq%2Ftworld'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] adf9f959c37573b18914e8885e1fdaf9e655017e [INFO] checking parrottq/tworld against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparrottq%2Ftworld" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/parrottq/tworld on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/parrottq/tworld [INFO] finished tweaking git repo https://github.com/parrottq/tworld [INFO] tweaked toml for git repo https://github.com/parrottq/tworld written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/parrottq/tworld already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-bigint v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1ea3eeeaaec1ca160605d5334c7502a5e29c2f0c9ee0ed42216db31251045d0 [INFO] running `Command { std: "docker" "start" "-a" "e1ea3eeeaaec1ca160605d5334c7502a5e29c2f0c9ee0ed42216db31251045d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1ea3eeeaaec1ca160605d5334c7502a5e29c2f0c9ee0ed42216db31251045d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1ea3eeeaaec1ca160605d5334c7502a5e29c2f0c9ee0ed42216db31251045d0", kill_on_drop: false }` [INFO] [stdout] e1ea3eeeaaec1ca160605d5334c7502a5e29c2f0c9ee0ed42216db31251045d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e9725ebb096bd81b08dbc7f4ad2873f72e665c18a648e36202925850422edb4 [INFO] running `Command { std: "docker" "start" "-a" "3e9725ebb096bd81b08dbc7f4ad2873f72e665c18a648e36202925850422edb4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking tworld v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsing.rs:120:22 [INFO] [stdout] | [INFO] [stdout] 120 | reader: &mut FnMut(&mut Self) -> T, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 120 - reader: &mut FnMut(&mut Self) -> T, [INFO] [stdout] 120 + reader: &mut dyn FnMut(&mut Self) -> T, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsing.rs:121:21 [INFO] [stdout] | [INFO] [stdout] 121 | sizer: &mut FnMut(&mut Self) -> G, [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 121 - sizer: &mut FnMut(&mut Self) -> G, [INFO] [stdout] 121 + sizer: &mut dyn FnMut(&mut Self) -> G, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writing.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | writer: &mut FnMut(&mut Self, T), [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - writer: &mut FnMut(&mut Self, T), [INFO] [stdout] 18 + writer: &mut dyn FnMut(&mut Self, T), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writing.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | counter: &mut FnMut(&mut Self, G), [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 - counter: &mut FnMut(&mut Self, G), [INFO] [stdout] 19 + counter: &mut dyn FnMut(&mut Self, G), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writing.rs:62:22 [INFO] [stdout] | [INFO] [stdout] 62 | writer: &mut FnMut(&mut Self, T), [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 - writer: &mut FnMut(&mut Self, T), [INFO] [stdout] 62 + writer: &mut dyn FnMut(&mut Self, T), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writing.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | counter: &mut FnMut(&mut Self, G), [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 63 - counter: &mut FnMut(&mut Self, G), [INFO] [stdout] 63 + counter: &mut dyn FnMut(&mut Self, G), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsing.rs:120:22 [INFO] [stdout] | [INFO] [stdout] 120 | reader: &mut FnMut(&mut Self) -> T, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 120 - reader: &mut FnMut(&mut Self) -> T, [INFO] [stdout] 120 + reader: &mut dyn FnMut(&mut Self) -> T, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsing.rs:121:21 [INFO] [stdout] | [INFO] [stdout] 121 | sizer: &mut FnMut(&mut Self) -> G, [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 121 - sizer: &mut FnMut(&mut Self) -> G, [INFO] [stdout] 121 + sizer: &mut dyn FnMut(&mut Self) -> G, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writing.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | writer: &mut FnMut(&mut Self, T), [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - writer: &mut FnMut(&mut Self, T), [INFO] [stdout] 18 + writer: &mut dyn FnMut(&mut Self, T), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writing.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | counter: &mut FnMut(&mut Self, G), [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 - counter: &mut FnMut(&mut Self, G), [INFO] [stdout] 19 + counter: &mut dyn FnMut(&mut Self, G), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writing.rs:62:22 [INFO] [stdout] | [INFO] [stdout] 62 | writer: &mut FnMut(&mut Self, T), [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 - writer: &mut FnMut(&mut Self, T), [INFO] [stdout] 62 + writer: &mut dyn FnMut(&mut Self, T), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/writing.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | counter: &mut FnMut(&mut Self, G), [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 63 - counter: &mut FnMut(&mut Self, G), [INFO] [stdout] 63 + counter: &mut dyn FnMut(&mut Self, G), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.63s [INFO] running `Command { std: "docker" "inspect" "3e9725ebb096bd81b08dbc7f4ad2873f72e665c18a648e36202925850422edb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e9725ebb096bd81b08dbc7f4ad2873f72e665c18a648e36202925850422edb4", kill_on_drop: false }` [INFO] [stdout] 3e9725ebb096bd81b08dbc7f4ad2873f72e665c18a648e36202925850422edb4