[INFO] cloning repository https://github.com/unbalancedparentheses/toylang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unbalancedparentheses/toylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funbalancedparentheses%2Ftoylang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funbalancedparentheses%2Ftoylang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 03fb524eae12098c5f8d1474d5846be52f2f30ef [INFO] checking unbalancedparentheses/toylang against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funbalancedparentheses%2Ftoylang" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/unbalancedparentheses/toylang on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/unbalancedparentheses/toylang [INFO] finished tweaking git repo https://github.com/unbalancedparentheses/toylang [INFO] tweaked toml for git repo https://github.com/unbalancedparentheses/toylang written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/unbalancedparentheses/toylang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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 ucd-util v0.1.5 [INFO] [stderr] Downloaded utf8parse v0.1.1 [INFO] [stderr] Downloaded lalrpop v0.17.2 [INFO] [stderr] Downloaded lalrpop-util v0.17.2 [INFO] [stderr] Downloaded ena v0.13.1 [INFO] [stderr] Downloaded rustyline v5.0.5 [INFO] [stderr] Downloaded sha2 v0.8.0 [INFO] [stderr] Downloaded ascii-canvas v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] edd3c44134024af1bb4e24759122f581cde56066126b4966ce100b2c11e71715 [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" "edd3c44134024af1bb4e24759122f581cde56066126b4966ce100b2c11e71715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edd3c44134024af1bb4e24759122f581cde56066126b4966ce100b2c11e71715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edd3c44134024af1bb4e24759122f581cde56066126b4966ce100b2c11e71715", kill_on_drop: false }` [INFO] [stdout] edd3c44134024af1bb4e24759122f581cde56066126b4966ce100b2c11e71715 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] b388aeb2a611e508718657de454ad86ae71543c33a97eca9e5062676a9d9c39a [INFO] running `Command { std: "docker" "start" "-a" "b388aeb2a611e508718657de454ad86ae71543c33a97eca9e5062676a9d9c39a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Checking rustyline v5.0.5 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Expr`, `Opcode` [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::ast::{Expr, Opcode}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:784:5 [INFO] [stdout] | [INFO] [stdout] 784 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:821:5 [INFO] [stdout] | [INFO] [stdout] 821 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:858:5 [INFO] [stdout] | [INFO] [stdout] 858 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:869:5 [INFO] [stdout] | [INFO] [stdout] 869 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:882:5 [INFO] [stdout] | [INFO] [stdout] 882 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Expr`, `Opcode` [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::ast::{Expr, Opcode}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:784:5 [INFO] [stdout] | [INFO] [stdout] 784 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:821:5 [INFO] [stdout] | [INFO] [stdout] 821 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:858:5 [INFO] [stdout] | [INFO] [stdout] 858 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:869:5 [INFO] [stdout] | [INFO] [stdout] 869 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lang-e428c25a151e51d5/out/lang.rs:882:5 [INFO] [stdout] | [INFO] [stdout] 882 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 53s [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b388aeb2a611e508718657de454ad86ae71543c33a97eca9e5062676a9d9c39a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b388aeb2a611e508718657de454ad86ae71543c33a97eca9e5062676a9d9c39a", kill_on_drop: false }` [INFO] [stdout] b388aeb2a611e508718657de454ad86ae71543c33a97eca9e5062676a9d9c39a