[INFO] cloning repository https://github.com/j-mcavoy/larvae
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-mcavoy/larvae" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-mcavoy%2Flarvae", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-mcavoy%2Flarvae'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89c65e819dd6fb15e714e212f7acd3a12f766c6a
[INFO] testing j-mcavoy/larvae against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-mcavoy%2Flarvae" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-mcavoy/larvae on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/j-mcavoy/larvae
[INFO] finished tweaking git repo https://github.com/j-mcavoy/larvae
[INFO] tweaked toml for git repo https://github.com/j-mcavoy/larvae written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/j-mcavoy/larvae already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-pretty-print v0.1.1
[INFO] [stderr]   Downloaded shunting v0.0.9
[INFO] [stderr]   Downloaded lexers v0.1.4
[INFO] [stderr]   Downloaded rustyline v5.0.6
[INFO] [stderr]   Downloaded dylib v0.0.3
[INFO] [stderr]   Downloaded earlgrey v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc463e9e4257b8b454d1866c4737d839b15654e21bf741beb4ab0bbc7a4e396a
[INFO] running `Command { std: "docker" "start" "-a" "cc463e9e4257b8b454d1866c4737d839b15654e21bf741beb4ab0bbc7a4e396a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc463e9e4257b8b454d1866c4737d839b15654e21bf741beb4ab0bbc7a4e396a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc463e9e4257b8b454d1866c4737d839b15654e21bf741beb4ab0bbc7a4e396a", kill_on_drop: false }`
[INFO] [stdout] cc463e9e4257b8b454d1866c4737d839b15654e21bf741beb4ab0bbc7a4e396a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6142eba030570d6776b0d3a6bea47047b70dbbd7440e334d2601b240083074b9
[INFO] running `Command { std: "docker" "start" "-a" "6142eba030570d6776b0d3a6bea47047b70dbbd7440e334d2601b240083074b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling lexers v0.1.4
[INFO] [stderr]    Compiling pom v3.2.0
[INFO] [stderr]    Compiling earlgrey v0.3.1
[INFO] [stderr]    Compiling float-pretty-print v0.1.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling meval v0.2.0
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling dylib v0.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling larvae_macros v0.1.0 (/opt/rustwide/workdir/crates/larvae_macros)
[INFO] [stderr]    Compiling shunting v0.0.9
[INFO] [stderr]    Compiling larvae_core v0.1.0 (/opt/rustwide/workdir/crates/larvae_core)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/larvae_core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `larvae_core` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6142eba030570d6776b0d3a6bea47047b70dbbd7440e334d2601b240083074b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6142eba030570d6776b0d3a6bea47047b70dbbd7440e334d2601b240083074b9", kill_on_drop: false }`
[INFO] [stdout] 6142eba030570d6776b0d3a6bea47047b70dbbd7440e334d2601b240083074b9