[INFO] cloning repository https://github.com/calebzulawski/vellum-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebzulawski/vellum-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c303fe1c281e4e88d4c106f9abe9ddadadf00fe [INFO] checking calebzulawski/vellum-lang against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/calebzulawski/vellum-lang on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/calebzulawski/vellum-lang [INFO] finished tweaking git repo https://github.com/calebzulawski/vellum-lang [INFO] tweaked toml for git repo https://github.com/calebzulawski/vellum-lang written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/calebzulawski/vellum-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2f7cadb7fb263b5ba051ddbbccd0b96578c486e540f8df917f5f9400a48fa45 [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" "d2f7cadb7fb263b5ba051ddbbccd0b96578c486e540f8df917f5f9400a48fa45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2f7cadb7fb263b5ba051ddbbccd0b96578c486e540f8df917f5f9400a48fa45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2f7cadb7fb263b5ba051ddbbccd0b96578c486e540f8df917f5f9400a48fa45", kill_on_drop: false }` [INFO] [stdout] d2f7cadb7fb263b5ba051ddbbccd0b96578c486e540f8df917f5f9400a48fa45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 55521859e1344e6b1ba6050d5e6f597ff17f1e50d6133d4471a6f46d7f34d7f5 [INFO] running `Command { std: "docker" "start" "-a" "55521859e1344e6b1ba6050d5e6f597ff17f1e50d6133d4471a6f46d7f34d7f5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling petgraph v0.4.13 [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 block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [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] 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 vellum-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::FromStr; [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/vellum-lang-952874581c869f62/out/grammar.rs:2711:5 [INFO] [stdout] | [INFO] [stdout] 2711 | (__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/vellum-lang-952874581c869f62/out/grammar.rs:2722:5 [INFO] [stdout] | [INFO] [stdout] 2722 | (__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/vellum-lang-952874581c869f62/out/grammar.rs:2733:5 [INFO] [stdout] | [INFO] [stdout] 2733 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:2801:5 [INFO] [stdout] | [INFO] [stdout] 2801 | { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::FromStr; [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/vellum-lang-952874581c869f62/out/grammar.rs:2711:5 [INFO] [stdout] | [INFO] [stdout] 2711 | (__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/vellum-lang-952874581c869f62/out/grammar.rs:2722:5 [INFO] [stdout] | [INFO] [stdout] 2722 | (__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/vellum-lang-952874581c869f62/out/grammar.rs:2733:5 [INFO] [stdout] | [INFO] [stdout] 2733 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:2801:5 [INFO] [stdout] | [INFO] [stdout] 2801 | { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:405:16 [INFO] [stdout] | [INFO] [stdout] 405 | pub fn new() -> AssignParser { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:1251:16 [INFO] [stdout] | [INFO] [stdout] 1251 | pub fn new() -> ExprParser { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:2127:16 [INFO] [stdout] | [INFO] [stdout] 2127 | pub fn new() -> StmtParser { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:2623:16 [INFO] [stdout] | [INFO] [stdout] 2623 | pub fn new() -> __MatcherBuilder { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:405:16 [INFO] [stdout] | [INFO] [stdout] 405 | pub fn new() -> AssignParser { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:1251:16 [INFO] [stdout] | [INFO] [stdout] 1251 | pub fn new() -> ExprParser { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:2127:16 [INFO] [stdout] | [INFO] [stdout] 2127 | pub fn new() -> StmtParser { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> /opt/rustwide/target/debug/build/vellum-lang-952874581c869f62/out/grammar.rs:2623:16 [INFO] [stdout] | [INFO] [stdout] 2623 | pub fn new() -> __MatcherBuilder { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 53s [INFO] running `Command { std: "docker" "inspect" "55521859e1344e6b1ba6050d5e6f597ff17f1e50d6133d4471a6f46d7f34d7f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55521859e1344e6b1ba6050d5e6f597ff17f1e50d6133d4471a6f46d7f34d7f5", kill_on_drop: false }` [INFO] [stdout] 55521859e1344e6b1ba6050d5e6f597ff17f1e50d6133d4471a6f46d7f34d7f5