[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#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fsystem-f-interpreter" "/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/aweinstock314/system-f-interpreter on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac8ca3091429e2ac2c0f41592c9e059dd1866265c3e08ab94b19033866ca02f8 [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" "ac8ca3091429e2ac2c0f41592c9e059dd1866265c3e08ab94b19033866ca02f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac8ca3091429e2ac2c0f41592c9e059dd1866265c3e08ab94b19033866ca02f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac8ca3091429e2ac2c0f41592c9e059dd1866265c3e08ab94b19033866ca02f8", kill_on_drop: false }` [INFO] [stdout] ac8ca3091429e2ac2c0f41592c9e059dd1866265c3e08ab94b19033866ca02f8 [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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 752be0dad42a03392d9ce63dc4c0f36f1c3296ba92b7be84fec672fc54f4d8a0 [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" "752be0dad42a03392d9ce63dc4c0f36f1c3296ba92b7be84fec672fc54f4d8a0", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling nom v5.0.0 [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(panic_fmt)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition [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(panic_fmt)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition [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 10.05s [INFO] running `Command { std: "docker" "inspect" "752be0dad42a03392d9ce63dc4c0f36f1c3296ba92b7be84fec672fc54f4d8a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "752be0dad42a03392d9ce63dc4c0f36f1c3296ba92b7be84fec672fc54f4d8a0", kill_on_drop: false }` [INFO] [stdout] 752be0dad42a03392d9ce63dc4c0f36f1c3296ba92b7be84fec672fc54f4d8a0