[INFO] cloning repository https://github.com/MindFlavor/ical_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MindFlavor/ical_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindFlavor%2Fical_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindFlavor%2Fical_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a6252b7efae791d99c46cd64dc2f9a2c82a317e
[INFO] testing MindFlavor/ical_rust against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMindFlavor%2Fical_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MindFlavor/ical_rust on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MindFlavor/ical_rust
[INFO] finished tweaking git repo https://github.com/MindFlavor/ical_rust
[INFO] tweaked toml for git repo https://github.com/MindFlavor/ical_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MindFlavor/ical_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.22
[INFO] [stderr]   Downloaded proc-macro2 v1.0.48
[INFO] [stderr]   Downloaded cxx-build v1.0.84
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.84
[INFO] [stderr]   Downloaded syn v1.0.106
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.84
[INFO] [stderr]   Downloaded cxx v1.0.84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53979790e458f9cb1c198bba77230bb9e3427da20855654f7e4966b7b15349e2
[INFO] running `Command { std: "docker" "start" "-a" "53979790e458f9cb1c198bba77230bb9e3427da20855654f7e4966b7b15349e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53979790e458f9cb1c198bba77230bb9e3427da20855654f7e4966b7b15349e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53979790e458f9cb1c198bba77230bb9e3427da20855654f7e4966b7b15349e2", kill_on_drop: false }`
[INFO] [stdout] 53979790e458f9cb1c198bba77230bb9e3427da20855654f7e4966b7b15349e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65d74da3a849fe00f0672b5f95fcec428c17437080f4ecd7e3507a498beedea8
[INFO] running `Command { std: "docker" "start" "-a" "65d74da3a849fe00f0672b5f95fcec428c17437080f4ecd7e3507a498beedea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.48
[INFO] [stderr]    Compiling quote v1.0.22
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.106
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling phf_codegen v0.11.1
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono-tz-build v0.1.0
[INFO] [stderr]    Compiling chrono-tz v0.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling ical_rust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ical_line_parser::ICalLineParser`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::ical_line_parser::ICalLineParser;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::Block`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use block::Block;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_advance_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ical_rust` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "65d74da3a849fe00f0672b5f95fcec428c17437080f4ecd7e3507a498beedea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d74da3a849fe00f0672b5f95fcec428c17437080f4ecd7e3507a498beedea8", kill_on_drop: false }`
[INFO] [stdout] 65d74da3a849fe00f0672b5f95fcec428c17437080f4ecd7e3507a498beedea8
