[INFO] updating cached repository https://github.com/jiegec/classroom-helper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ec66eee6d2994ca6f690d567938c98f9fa5da19 [INFO] checking jiegec/classroom-helper against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiegec%2Fclassroom-helper" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jiegec/classroom-helper on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jiegec/classroom-helper [INFO] finished tweaking git repo https://github.com/jiegec/classroom-helper [INFO] tweaked toml for git repo https://github.com/jiegec/classroom-helper written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/jiegec/classroom-helper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5a3c8ad56c593b6d95d16acaed897a643b6dc2fc36f30f66b08da3b30a7b8d1 [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" "b5a3c8ad56c593b6d95d16acaed897a643b6dc2fc36f30f66b08da3b30a7b8d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5a3c8ad56c593b6d95d16acaed897a643b6dc2fc36f30f66b08da3b30a7b8d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5a3c8ad56c593b6d95d16acaed897a643b6dc2fc36f30f66b08da3b30a7b8d1", kill_on_drop: false }` [INFO] [stdout] b5a3c8ad56c593b6d95d16acaed897a643b6dc2fc36f30f66b08da3b30a7b8d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 55df6c2dc7c421a86e09ab16d51e1144571b39c01db626585c8cb9215b49727c [INFO] running `Command { std: "docker" "start" "-a" "55df6c2dc7c421a86e09ab16d51e1144571b39c01db626585c8cb9215b49727c", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking termion v1.5.3 [INFO] [stderr] Checking regex-automata v0.1.7 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking tui v0.5.1 [INFO] [stderr] Checking regex v1.1.7 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking bstr v0.2.1 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking classroom-helper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/configs.rs:121:10 [INFO] [stdout] | [INFO] [stdout] 121 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` 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 a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/view.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | .into_iter(), [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/configs.rs:121:10 [INFO] [stdout] | [INFO] [stdout] 121 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` 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 a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/view.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | .into_iter(), [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.23s [INFO] running `Command { std: "docker" "inspect" "55df6c2dc7c421a86e09ab16d51e1144571b39c01db626585c8cb9215b49727c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55df6c2dc7c421a86e09ab16d51e1144571b39c01db626585c8cb9215b49727c", kill_on_drop: false }` [INFO] [stdout] 55df6c2dc7c421a86e09ab16d51e1144571b39c01db626585c8cb9215b49727c