[INFO] cloning repository https://github.com/aweinstock314/system-f-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aweinstock314/system-f-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fsystem-f-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fsystem-f-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d95223e039d7e69f49a507a22e9b7e3a5de25773 [INFO] checking aweinstock314/system-f-interpreter against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fsystem-f-interpreter" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aweinstock314/system-f-interpreter 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/aweinstock314/system-f-interpreter [INFO] finished tweaking git repo https://github.com/aweinstock314/system-f-interpreter [INFO] tweaked toml for git repo https://github.com/aweinstock314/system-f-interpreter written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/aweinstock314/system-f-interpreter 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2d964b867832b198d0ddaca35f530e93c79e372c5855dfe68b34a11de2088d80 [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" "2d964b867832b198d0ddaca35f530e93c79e372c5855dfe68b34a11de2088d80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d964b867832b198d0ddaca35f530e93c79e372c5855dfe68b34a11de2088d80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d964b867832b198d0ddaca35f530e93c79e372c5855dfe68b34a11de2088d80", kill_on_drop: false }` [INFO] [stdout] 2d964b867832b198d0ddaca35f530e93c79e372c5855dfe68b34a11de2088d80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8f60110f1bf7534aa84ea182c20af333989eda4df564e9c2909b7452cc1c8b02 [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" "8f60110f1bf7534aa84ea182c20af333989eda4df564e9c2909b7452cc1c8b02", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling nom v5.0.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling lexical-core v0.4.3 [INFO] [stderr] Checking system-f v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `parenthesized` [INFO] [stdout] --> src/parser.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn parenthesized IResult<&[u8], X>>(f: F, input: &[u8]) -> IResult<&[u8], X> { delimited(tag(b"("), f, tag(b")"))(inpu... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `end_in_null` [INFO] [stdout] --> src/parser.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn end_in_null IResult<&[u8], X>>(f: F, input: &[u8]) -> IResult<&[u8], X> { map(tuple((f, tag(b"\0"))), |x| x.0)(inpu... [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/substitution.rs:10:45 [INFO] [stdout] | [INFO] [stdout] 10 | panic!("Somehow gensym used more than 2^{64} ids without finding anything?") [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] 10 | panic!("Somehow gensym used more than 2^{64} ids without finding anything?", ...) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 10 | panic!("{}", "Somehow gensym used more than 2^{64} ids without finding anything?") [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parenthesized` [INFO] [stdout] --> src/parser.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn parenthesized IResult<&[u8], X>>(f: F, input: &[u8]) -> IResult<&[u8], X> { delimited(tag(b"("), f, tag(b")"))(inpu... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `end_in_null` [INFO] [stdout] --> src/parser.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn end_in_null IResult<&[u8], X>>(f: F, input: &[u8]) -> IResult<&[u8], X> { map(tuple((f, tag(b"\0"))), |x| x.0)(inpu... [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/substitution.rs:10:45 [INFO] [stdout] | [INFO] [stdout] 10 | panic!("Somehow gensym used more than 2^{64} ids without finding anything?") [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] 10 | panic!("Somehow gensym used more than 2^{64} ids without finding anything?", ...) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 10 | panic!("{}", "Somehow gensym used more than 2^{64} ids without finding anything?") [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.21s [INFO] running `Command { std: "docker" "inspect" "8f60110f1bf7534aa84ea182c20af333989eda4df564e9c2909b7452cc1c8b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f60110f1bf7534aa84ea182c20af333989eda4df564e9c2909b7452cc1c8b02", kill_on_drop: false }` [INFO] [stdout] 8f60110f1bf7534aa84ea182c20af333989eda4df564e9c2909b7452cc1c8b02