[INFO] cloning repository https://github.com/RalfJung/rust-101 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RalfJung/rust-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalfJung%2Frust-101", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalfJung%2Frust-101'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2eb15e9ad4c5f980bb007347146568fd41223011 [INFO] checking RalfJung/rust-101 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalfJung%2Frust-101" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RalfJung/rust-101 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RalfJung/rust-101 [INFO] finished tweaking git repo https://github.com/RalfJung/rust-101 [INFO] tweaked toml for git repo https://github.com/RalfJung/rust-101 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/RalfJung/rust-101 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28029e0c0ff0667bad6dea5e11027abec94b998a41c75f6f8a2372dcfad92122 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "28029e0c0ff0667bad6dea5e11027abec94b998a41c75f6f8a2372dcfad92122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28029e0c0ff0667bad6dea5e11027abec94b998a41c75f6f8a2372dcfad92122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28029e0c0ff0667bad6dea5e11027abec94b998a41c75f6f8a2372dcfad92122", kill_on_drop: false }` [INFO] [stdout] 28029e0c0ff0667bad6dea5e11027abec94b998a41c75f6f8a2372dcfad92122 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fcd9b533c807cca2c2499f9656c159f7a15bedc81ac3b7615369b44a233d0f68 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fcd9b533c807cca2c2499f9656c159f7a15bedc81ac3b7615369b44a233d0f68", kill_on_drop: false }` [INFO] [stderr] Checking rust-101 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part11.rs:43:24 [INFO] [stdout] | [INFO] [stdout] 43 | callbacks: Vec>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part11.rs:53:46 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn register(&mut self, callback: Box) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part12.rs:28:23 [INFO] [stdout] | [INFO] [stdout] 28 | callbacks: Vec>, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Fn(i32)` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part12.rs:126:31 [INFO] [stdout] | [INFO] [stdout] 126 | callbacks: Vec>>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part11.rs:43:24 [INFO] [stdout] | [INFO] [stdout] 43 | callbacks: Vec>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part11.rs:53:46 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn register(&mut self, callback: Box) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part12.rs:28:23 [INFO] [stdout] | [INFO] [stdout] 28 | callbacks: Vec>, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Fn(i32)` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part12.rs:126:31 [INFO] [stdout] | [INFO] [stdout] 126 | callbacks: Vec>>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "fcd9b533c807cca2c2499f9656c159f7a15bedc81ac3b7615369b44a233d0f68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcd9b533c807cca2c2499f9656c159f7a15bedc81ac3b7615369b44a233d0f68", kill_on_drop: false }` [INFO] [stdout] fcd9b533c807cca2c2499f9656c159f7a15bedc81ac3b7615369b44a233d0f68