[INFO] cloning repository https://github.com/lfn3/rs-advent [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lfn3/rs-advent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfn3%2Frs-advent", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfn3%2Frs-advent'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0cd62ac239d19477eaffc88b660bb16a793f6cbf [INFO] checking lfn3/rs-advent against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfn3%2Frs-advent" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lfn3/rs-advent on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lfn3/rs-advent [INFO] finished tweaking git repo https://github.com/lfn3/rs-advent [INFO] tweaked toml for git repo https://github.com/lfn3/rs-advent written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/lfn3/rs-advent already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a990e56777e18bd92cb2a8851387e311292df926ce2140de0a065ac6a20c958 [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" "5a990e56777e18bd92cb2a8851387e311292df926ce2140de0a065ac6a20c958", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a990e56777e18bd92cb2a8851387e311292df926ce2140de0a065ac6a20c958", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a990e56777e18bd92cb2a8851387e311292df926ce2140de0a065ac6a20c958", kill_on_drop: false }` [INFO] [stdout] 5a990e56777e18bd92cb2a8851387e311292df926ce2140de0a065ac6a20c958 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9ce2e3b4220de9cd4cce53e54a02f95960ddcff0eb71785f2cf6d7b0efa627d [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" "b9ce2e3b4220de9cd4cce53e54a02f95960ddcff0eb71785f2cf6d7b0efa627d", kill_on_drop: false }` [INFO] [stderr] Checking rs-advent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eight.rs:15:28 [INFO] [stdout] | [INFO] [stdout] 15 | fn get_metadata(data: &mut Iterator) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eight.rs:43:29 [INFO] [stdout] | [INFO] [stdout] 43 | fn take_metadata(data: &mut Iterator, count: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eight.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | fn read_header(data: &mut Iterator) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/five.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | fn reduce(i: &mut Iterator) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/five.rs:61:42 [INFO] [stdout] | [INFO] [stdout] 61 | fn reduce_without(polymer: char, i: &mut Iterator) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eight.rs:15:28 [INFO] [stdout] | [INFO] [stdout] 15 | fn get_metadata(data: &mut Iterator) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eight.rs:43:29 [INFO] [stdout] | [INFO] [stdout] 43 | fn take_metadata(data: &mut Iterator, count: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eight.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | fn read_header(data: &mut Iterator) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/five.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | fn reduce(i: &mut Iterator) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/five.rs:61:42 [INFO] [stdout] | [INFO] [stdout] 61 | fn reduce_without(polymer: char, i: &mut Iterator) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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 [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "b9ce2e3b4220de9cd4cce53e54a02f95960ddcff0eb71785f2cf6d7b0efa627d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9ce2e3b4220de9cd4cce53e54a02f95960ddcff0eb71785f2cf6d7b0efa627d", kill_on_drop: false }` [INFO] [stdout] b9ce2e3b4220de9cd4cce53e54a02f95960ddcff0eb71785f2cf6d7b0efa627d