[INFO] cloning repository https://github.com/GabrielDertoni/lambda-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielDertoni/lambda-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Flambda-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Flambda-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c8cdcfa161e850613cbb5450aaaa6f42251af26d [INFO] checking GabrielDertoni/lambda-lang against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Flambda-lang" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GabrielDertoni/lambda-lang on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GabrielDertoni/lambda-lang [INFO] finished tweaking git repo https://github.com/GabrielDertoni/lambda-lang [INFO] tweaked toml for git repo https://github.com/GabrielDertoni/lambda-lang written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/GabrielDertoni/lambda-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dirs-next v2.0.0 [INFO] [stderr] Downloaded nix v0.19.1 [INFO] [stderr] Downloaded rustyline v7.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 468cb5d558aafa460aa12565c5239078c46b13ce062f37c071a8610161e54103 [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" "468cb5d558aafa460aa12565c5239078c46b13ce062f37c071a8610161e54103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "468cb5d558aafa460aa12565c5239078c46b13ce062f37c071a8610161e54103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "468cb5d558aafa460aa12565c5239078c46b13ce062f37c071a8610161e54103", kill_on_drop: false }` [INFO] [stdout] 468cb5d558aafa460aa12565c5239078c46b13ce062f37c071a8610161e54103 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7500d7e3c6ad090a90fdd4596b021cb106dea62708e52c9c6ce45157f3e571ad [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" "7500d7e3c6ad090a90fdd4596b021cb106dea62708e52c9c6ce45157f3e571ad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking rustyline v7.1.0 [INFO] [stderr] Checking lambda-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/parser.rs:31:18: 31:32]>` in the current scope [INFO] [stdout] --> src/parser.rs:32:14 [INFO] [stdout] | [INFO] [stdout] 32 | .fold_first(|a, b| a.merge(b)) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/parser.rs:31:18: 31:32]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/parser.rs:40:18: 40:55]>` in the current scope [INFO] [stdout] --> src/parser.rs:41:14 [INFO] [stdout] | [INFO] [stdout] 41 | .fold_first(|(pfst, psnd), (fst, snd)| (pfst.merge(fst), psnd.merge(snd))) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/parser.rs:40:18: 40:55]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/parser.rs:31:18: 31:32]>` in the current scope [INFO] [stdout] --> src/parser.rs:32:14 [INFO] [stdout] | [INFO] [stdout] 32 | .fold_first(|a, b| a.merge(b)) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/parser.rs:31:18: 31:32]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/parser.rs:40:18: 40:55]>` in the current scope [INFO] [stdout] --> src/parser.rs:41:14 [INFO] [stdout] | [INFO] [stdout] 41 | .fold_first(|(pfst, psnd), (fst, snd)| (pfst.merge(fst), psnd.merge(snd))) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/parser.rs:40:18: 40:55]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/parser/error.rs:22:18: 22:32]>` in the current scope [INFO] [stdout] --> src/parser/error.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | .fold_first(|a, b| a.merge(b)) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/parser/error.rs:22:18: 22:32]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/parser/error.rs:22:18: 22:32]>` in the current scope [INFO] [stdout] --> src/parser/error.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | .fold_first(|a, b| a.merge(b)) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/parser/error.rs:22:18: 22:32]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lambda-compiler` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7500d7e3c6ad090a90fdd4596b021cb106dea62708e52c9c6ce45157f3e571ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7500d7e3c6ad090a90fdd4596b021cb106dea62708e52c9c6ce45157f3e571ad", kill_on_drop: false }` [INFO] [stdout] 7500d7e3c6ad090a90fdd4596b021cb106dea62708e52c9c6ce45157f3e571ad