[INFO] cloning repository https://github.com/PRust-Projects/connect-four [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PRust-Projects/connect-four" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRust-Projects%2Fconnect-four", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRust-Projects%2Fconnect-four'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ddffdee4455399783efe1ea347fc55cd83acbc8d [INFO] checking PRust-Projects/connect-four against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRust-Projects%2Fconnect-four" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PRust-Projects/connect-four on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PRust-Projects/connect-four [INFO] finished tweaking git repo https://github.com/PRust-Projects/connect-four [INFO] tweaked toml for git repo https://github.com/PRust-Projects/connect-four written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PRust-Projects/connect-four 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded atty v0.2.10 [INFO] [stderr] Downloaded rand v0.5.1 [INFO] [stderr] Downloaded clap v2.31.2 [INFO] [stderr] Downloaded regex v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a61e10791717a0a2cd1ebb013ab002e9a63d6487c96a8e6e40cd8a0692737d15 [INFO] running `Command { std: "docker" "start" "-a" "a61e10791717a0a2cd1ebb013ab002e9a63d6487c96a8e6e40cd8a0692737d15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a61e10791717a0a2cd1ebb013ab002e9a63d6487c96a8e6e40cd8a0692737d15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a61e10791717a0a2cd1ebb013ab002e9a63d6487c96a8e6e40cd8a0692737d15", kill_on_drop: false }` [INFO] [stdout] a61e10791717a0a2cd1ebb013ab002e9a63d6487c96a8e6e40cd8a0692737d15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f1394f9beb2eaa6900eb65446b2400e25768b7f5d925e960c83d88cc03f0eba [INFO] running `Command { std: "docker" "start" "-a" "5f1394f9beb2eaa6900eb65446b2400e25768b7f5d925e960c83d88cc03f0eba", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking regex-syntax v0.6.1 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking rand v0.5.1 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking userio v0.1.0 (/opt/rustwide/workdir/userio) [INFO] [stderr] Checking connect-four v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/ai.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/game.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | fn get_players() -> Vec> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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] 36 | fn get_players() -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/ai.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/game.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | fn get_players() -> Vec> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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] 36 | fn get_players() -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_token` and `get_type` are never used [INFO] [stdout] --> src/player.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Player { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn get_token(&self) -> &'static str; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 8 | fn get_type(&self) -> &'static str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_token` and `get_type` are never used [INFO] [stdout] --> src/player.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Player { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn get_token(&self) -> &'static str; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 8 | fn get_type(&self) -> &'static str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s [INFO] running `Command { std: "docker" "inspect" "5f1394f9beb2eaa6900eb65446b2400e25768b7f5d925e960c83d88cc03f0eba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f1394f9beb2eaa6900eb65446b2400e25768b7f5d925e960c83d88cc03f0eba", kill_on_drop: false }` [INFO] [stdout] 5f1394f9beb2eaa6900eb65446b2400e25768b7f5d925e960c83d88cc03f0eba [INFO] checking PRust-Projects/connect-four against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRust-Projects%2Fconnect-four" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PRust-Projects/connect-four on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PRust-Projects/connect-four [INFO] finished tweaking git repo https://github.com/PRust-Projects/connect-four [INFO] tweaked toml for git repo https://github.com/PRust-Projects/connect-four written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/PRust-Projects/connect-four 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be3f824347e4d02e8549296b97ae938a4744506d1d5a5e9882dba63b3d8c2083 [INFO] running `Command { std: "docker" "start" "-a" "be3f824347e4d02e8549296b97ae938a4744506d1d5a5e9882dba63b3d8c2083", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be3f824347e4d02e8549296b97ae938a4744506d1d5a5e9882dba63b3d8c2083", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be3f824347e4d02e8549296b97ae938a4744506d1d5a5e9882dba63b3d8c2083", kill_on_drop: false }` [INFO] [stdout] be3f824347e4d02e8549296b97ae938a4744506d1d5a5e9882dba63b3d8c2083 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d634b39b00b1f0271ebf268b933ab9f1f09af139371b8960cf340d4b6ebe40fb [INFO] running `Command { std: "docker" "start" "-a" "d634b39b00b1f0271ebf268b933ab9f1f09af139371b8960cf340d4b6ebe40fb", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.1 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking rand v0.5.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking userio v0.1.0 (/opt/rustwide/workdir/userio) [INFO] [stderr] Checking connect-four v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/ai.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/game.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | fn get_players() -> Vec> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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] 36 | fn get_players() -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/ai.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/game.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | fn get_players() -> Vec> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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] 36 | fn get_players() -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_token` and `get_type` are never used [INFO] [stdout] --> src/player.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Player { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn get_token(&self) -> &'static str; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 8 | fn get_type(&self) -> &'static str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_token` and `get_type` are never used [INFO] [stdout] --> src/player.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Player { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn get_token(&self) -> &'static str; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 8 | fn get_type(&self) -> &'static str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.85s [INFO] running `Command { std: "docker" "inspect" "d634b39b00b1f0271ebf268b933ab9f1f09af139371b8960cf340d4b6ebe40fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d634b39b00b1f0271ebf268b933ab9f1f09af139371b8960cf340d4b6ebe40fb", kill_on_drop: false }` [INFO] [stdout] d634b39b00b1f0271ebf268b933ab9f1f09af139371b8960cf340d4b6ebe40fb