[INFO] cloning repository https://github.com/Wardormeur/calendar [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wardormeur/calendar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWardormeur%2Fcalendar", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWardormeur%2Fcalendar'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c1fe9b40f3204ed995027cfc2a6963c5ce59a47 [INFO] checking Wardormeur/calendar against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWardormeur%2Fcalendar" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Wardormeur/calendar on toolchain 05c8870159e4f328578a970e125aa76d24f03b56 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Wardormeur/calendar [INFO] finished tweaking git repo https://github.com/Wardormeur/calendar [INFO] tweaked toml for git repo https://github.com/Wardormeur/calendar written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Wardormeur/calendar already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/untitaker/rust-vobject.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ical v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1eb9c89acbe80de11d6463811177681af207ff9627a338b31af82c7aceb53505 [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" "1eb9c89acbe80de11d6463811177681af207ff9627a338b31af82c7aceb53505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1eb9c89acbe80de11d6463811177681af207ff9627a338b31af82c7aceb53505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eb9c89acbe80de11d6463811177681af207ff9627a338b31af82c7aceb53505", kill_on_drop: false }` [INFO] [stdout] 1eb9c89acbe80de11d6463811177681af207ff9627a338b31af82c7aceb53505 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] ae8f3fe69ce77903e6da84ecf5a2225bd9dbfdbfea4c6a38ced252b5ce45a47b [INFO] running `Command { std: "docker" "start" "-a" "ae8f3fe69ce77903e6da84ecf5a2225bd9dbfdbfea4c6a38ced252b5ce45a47b", kill_on_drop: false }` [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking vobject v0.6.0 (https://github.com/untitaker/rust-vobject.git?branch=master#f100677f) [INFO] [stderr] Checking ical v0.4.0 [INFO] [stderr] Checking calendar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | buf.read_to_string(&mut file_content); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | buf.read_to_string(&mut file_content); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.23s [INFO] running `Command { std: "docker" "inspect" "ae8f3fe69ce77903e6da84ecf5a2225bd9dbfdbfea4c6a38ced252b5ce45a47b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae8f3fe69ce77903e6da84ecf5a2225bd9dbfdbfea4c6a38ced252b5ce45a47b", kill_on_drop: false }` [INFO] [stdout] ae8f3fe69ce77903e6da84ecf5a2225bd9dbfdbfea4c6a38ced252b5ce45a47b