[INFO] cloning repository https://github.com/cjmochrie/Advent-of-Code-2017 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjmochrie/Advent-of-Code-2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjmochrie%2FAdvent-of-Code-2017", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjmochrie%2FAdvent-of-Code-2017'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4dee8ec92972b670e8feb5086cb2db7381608423 [INFO] checking cjmochrie/Advent-of-Code-2017 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjmochrie%2FAdvent-of-Code-2017" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cjmochrie/Advent-of-Code-2017 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cjmochrie/Advent-of-Code-2017 [INFO] finished tweaking git repo https://github.com/cjmochrie/Advent-of-Code-2017 [INFO] tweaked toml for git repo https://github.com/cjmochrie/Advent-of-Code-2017 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/cjmochrie/Advent-of-Code-2017 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ec25617ab693620bc898ddedca197f19394c99113f41f745cd499e9945dae1b [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" "1ec25617ab693620bc898ddedca197f19394c99113f41f745cd499e9945dae1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ec25617ab693620bc898ddedca197f19394c99113f41f745cd499e9945dae1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ec25617ab693620bc898ddedca197f19394c99113f41f745cd499e9945dae1b", kill_on_drop: false }` [INFO] [stdout] 1ec25617ab693620bc898ddedca197f19394c99113f41f745cd499e9945dae1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 751410ac25f269765a7f804fe1a015b91de1660e674a23824bccbe7322c66ae5 [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" "751410ac25f269765a7f804fe1a015b91de1660e674a23824bccbe7322c66ae5", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stderr] Checking advent_of_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/problems/day_2.rs:23:51 [INFO] [stdout] | [INFO] [stdout] 23 | fn string_to_digit_rows<'a>(data: &'a str) -> Box> + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Op` is imported redundantly [INFO] [stdout] --> src/problems/day_8.rs:98:7 [INFO] [stdout] | [INFO] [stdout] 36 | / enum Op { [INFO] [stdout] 37 | | Inc, [INFO] [stdout] 38 | | Dec, [INFO] [stdout] 39 | | } [INFO] [stdout] | |_- the item `Op` is already defined here [INFO] [stdout] ... [INFO] [stdout] 98 | use self::Op; [INFO] [stdout] | ^^^^^^^^ [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/lib.rs:11:51 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn run(config: &Config) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/problems/day_2.rs:23:51 [INFO] [stdout] | [INFO] [stdout] 23 | fn string_to_digit_rows<'a>(data: &'a str) -> Box> + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Op` is imported redundantly [INFO] [stdout] --> src/problems/day_8.rs:98:7 [INFO] [stdout] | [INFO] [stdout] 36 | / enum Op { [INFO] [stdout] 37 | | Inc, [INFO] [stdout] 38 | | Dec, [INFO] [stdout] 39 | | } [INFO] [stdout] | |_- the item `Op` is already defined here [INFO] [stdout] ... [INFO] [stdout] 98 | use self::Op; [INFO] [stdout] | ^^^^^^^^ [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/lib.rs:11:51 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn run(config: &Config) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [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 [unoptimized + debuginfo] target(s) in 2.96s [INFO] running `Command { std: "docker" "inspect" "751410ac25f269765a7f804fe1a015b91de1660e674a23824bccbe7322c66ae5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "751410ac25f269765a7f804fe1a015b91de1660e674a23824bccbe7322c66ae5", kill_on_drop: false }` [INFO] [stdout] 751410ac25f269765a7f804fe1a015b91de1660e674a23824bccbe7322c66ae5