[INFO] cloning repository https://github.com/itaibn/scheme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itaibn/scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaibn%2Fscheme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaibn%2Fscheme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b1305f3e95a2720a468d8726a9b78d846c57834 [INFO] checking itaibn/scheme against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaibn%2Fscheme" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/itaibn/scheme on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/itaibn/scheme [INFO] finished tweaking git repo https://github.com/itaibn/scheme [INFO] tweaked toml for git repo https://github.com/itaibn/scheme written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/itaibn/scheme already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df8f9928ac053cb5c920d614c60d69661acf4c5d7b87706b9b91a32f12243037 [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" "df8f9928ac053cb5c920d614c60d69661acf4c5d7b87706b9b91a32f12243037", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df8f9928ac053cb5c920d614c60d69661acf4c5d7b87706b9b91a32f12243037", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df8f9928ac053cb5c920d614c60d69661acf4c5d7b87706b9b91a32f12243037", kill_on_drop: false }` [INFO] [stdout] df8f9928ac053cb5c920d614c60d69661acf4c5d7b87706b9b91a32f12243037 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b8519cdac70418a330ea5de737c5062e65875991989af52d06eeabba1a1efbf [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" "0b8519cdac70418a330ea5de737c5062e65875991989af52d06eeabba1a1efbf", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking tap v1.0.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking funty v1.0.1 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Compiling gc_derive v0.3.2 [INFO] [stderr] Checking bitvec v0.19.4 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking gc v0.3.6 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking scheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Read` [INFO] [stdout] --> src/port.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | Read, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> src/port.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | Write, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open_input_file` [INFO] [stdout] --> src/port.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn open_input_file(fname: &[char]) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rw_type` [INFO] [stdout] --> src/port.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn rw_type(&self) -> PortRWType { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Next` [INFO] [stdout] --> src/runtime.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | / Next { [INFO] [stdout] 75 | | to_eval: Expression, [INFO] [stdout] 76 | | env: Environment, [INFO] [stdout] 77 | | next_eval_seq: EvaluationSequenceBox, [INFO] [stdout] 78 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `End` [INFO] [stdout] --> src/runtime.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | End(Scheme), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/builtin.rs:598:47 [INFO] [stdout] | [INFO] [stdout] 598 | assert!(lowercase.next().is_none(), "'{}' converts into a \ [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 600 | know how to handle.", ...); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 598 | assert!(lowercase.next().is_none(), "{}", "'{}' converts into a \ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Read` [INFO] [stdout] --> src/port.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | Read, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> src/port.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | Write, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open_input_file` [INFO] [stdout] --> src/port.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn open_input_file(fname: &[char]) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rw_type` [INFO] [stdout] --> src/port.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn rw_type(&self) -> PortRWType { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Next` [INFO] [stdout] --> src/runtime.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | / Next { [INFO] [stdout] 75 | | to_eval: Expression, [INFO] [stdout] 76 | | env: Environment, [INFO] [stdout] 77 | | next_eval_seq: EvaluationSequenceBox, [INFO] [stdout] 78 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `End` [INFO] [stdout] --> src/runtime.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | End(Scheme), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/builtin.rs:598:47 [INFO] [stdout] | [INFO] [stdout] 598 | assert!(lowercase.next().is_none(), "'{}' converts into a \ [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 600 | know how to handle.", ...); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 598 | assert!(lowercase.next().is_none(), "{}", "'{}' converts into a \ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.28s [INFO] running `Command { std: "docker" "inspect" "0b8519cdac70418a330ea5de737c5062e65875991989af52d06eeabba1a1efbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b8519cdac70418a330ea5de737c5062e65875991989af52d06eeabba1a1efbf", kill_on_drop: false }` [INFO] [stdout] 0b8519cdac70418a330ea5de737c5062e65875991989af52d06eeabba1a1efbf