[INFO] updating cached repository https://github.com/martindevans/y
[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] 1e54dfb0f13780b8b4ac2b4fafaa9edd1b37c9c0
[INFO] testing martindevans/y against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartindevans%2Fy" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martindevans/y on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martindevans/y
[INFO] finished tweaking git repo https://github.com/martindevans/y
[INFO] tweaked toml for git repo https://github.com/martindevans/y written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/martindevans/y already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b42a3679198170c16b785733c6e9390b0e8fd4da92f45438eb56d6bd67e9c815
[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" "b42a3679198170c16b785733c6e9390b0e8fd4da92f45438eb56d6bd67e9c815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b42a3679198170c16b785733c6e9390b0e8fd4da92f45438eb56d6bd67e9c815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42a3679198170c16b785733c6e9390b0e8fd4da92f45438eb56d6bd67e9c815", kill_on_drop: false }`
[INFO] [stdout] b42a3679198170c16b785733c6e9390b0e8fd4da92f45438eb56d6bd67e9c815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e654f5f4c6ef39e01058fba9fce462b61d7216410a06c3ca7cc4c3cb338c6ab0
[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" "e654f5f4c6ef39e01058fba9fce462b61d7216410a06c3ca7cc4c3cb338c6ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling peg v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling yolol_number v0.7.1
[INFO] [stderr]    Compiling yc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `set_virtual_terminal` in module `colored::control`
[INFO] [stdout]   --> src/main.rs:24:39
[INFO] [stdout]    |
[INFO] [stdout] 24 |     if let Err(_) = colored::control::set_virtual_terminal(true) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ not found in `colored::control`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CallType`, `FieldDefinition`, `ParameterDefinition`
[INFO] [stdout]  --> src/compiler/stages/materialise_structs.rs:4:90
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::grammar::ast::{ InnerStatement, OuterStatement, Expression, StructDefinition, FieldDefinition, CallType, ParameterDefinition };
[INFO] [stdout]   |                                                                                          ^^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `infer_expr_type`, `type_check_assignment`
[INFO] [stdout]  --> src/compiler/stages/materialise_structs.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::super::typecheck::{ infer_expr_type, Type, type_check_assignment };
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/compiler/stages/inline_macros.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             panic!("rewrite");
[INFO] [stdout]     |             ------------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 158 |             result.append(&mut rewritten.statements);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/compiler/stages/materialise_structs.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 panic!("check that constructor args are compatible with type");
[INFO] [stdout]    |                 --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 82 |                 panic!("constructor declaration initialiser");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e654f5f4c6ef39e01058fba9fce462b61d7216410a06c3ca7cc4c3cb338c6ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e654f5f4c6ef39e01058fba9fce462b61d7216410a06c3ca7cc4c3cb338c6ab0", kill_on_drop: false }`
[INFO] [stdout] e654f5f4c6ef39e01058fba9fce462b61d7216410a06c3ca7cc4c3cb338c6ab0