[INFO] cloning repository https://github.com/dylanbraithwaite/cubical
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dylanbraithwaite/cubical" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanbraithwaite%2Fcubical", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanbraithwaite%2Fcubical'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8fe5d6787f5f2a3b9d17811ed16911d4563a2fb
[INFO] checking dylanbraithwaite/cubical against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanbraithwaite%2Fcubical" "/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/dylanbraithwaite/cubical on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dylanbraithwaite/cubical
[INFO] finished tweaking git repo https://github.com/dylanbraithwaite/cubical
[INFO] tweaked toml for git repo https://github.com/dylanbraithwaite/cubical written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/dylanbraithwaite/cubical already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1db810e2c372481a641a7b391747ebe0687fc83aaa42d11d5100d6887d06d14
[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" "b1db810e2c372481a641a7b391747ebe0687fc83aaa42d11d5100d6887d06d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1db810e2c372481a641a7b391747ebe0687fc83aaa42d11d5100d6887d06d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1db810e2c372481a641a7b391747ebe0687fc83aaa42d11d5100d6887d06d14", kill_on_drop: false }`
[INFO] [stdout] b1db810e2c372481a641a7b391747ebe0687fc83aaa42d11d5100d6887d06d14
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 86709c0ec11d1815b356f4945fae86b07a4bf4743bca400a8cd6b72529633def
[INFO] running `Command { std: "docker" "start" "-a" "86709c0ec11d1815b356f4945fae86b07a4bf4743bca400a8cd6b72529633def", kill_on_drop: false }`
[INFO] [stderr]     Checking cons-list v0.0.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking cubical v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `transp`
[INFO] [stdout]    --> src/ast.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn transp(space: Term, witness: Term) -> Expr {
[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: `contr_prop`
[INFO] [stdout]    --> src/ast.rs:211:12
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn contr_prop(space: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equiv_prop_inner`
[INFO] [stdout]    --> src/ast.rs:252:8
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn equiv_prop_inner(source: Term, target:Term, func: Term) -> Expr {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equiv_prop`
[INFO] [stdout]    --> src/ast.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn equiv_prop(source: Term, target: Term, func: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equiv_type`
[INFO] [stdout]    --> src/ast.rs:280:12
[INFO] [stdout]     |
[INFO] [stdout] 280 |     pub fn equiv_type(source: Term, target: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transp`
[INFO] [stdout]    --> src/ast.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn transp(space: Term, witness: Term) -> Expr {
[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: `contr_prop`
[INFO] [stdout]    --> src/ast.rs:211:12
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn contr_prop(space: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equiv_prop_inner`
[INFO] [stdout]    --> src/ast.rs:252:8
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn equiv_prop_inner(source: Term, target:Term, func: Term) -> Expr {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equiv_prop`
[INFO] [stdout]    --> src/ast.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn equiv_prop(source: Term, target: Term, func: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equiv_type`
[INFO] [stdout]    --> src/ast.rs:280:12
[INFO] [stdout]     |
[INFO] [stdout] 280 |     pub fn equiv_type(source: Term, target: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "86709c0ec11d1815b356f4945fae86b07a4bf4743bca400a8cd6b72529633def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86709c0ec11d1815b356f4945fae86b07a4bf4743bca400a8cd6b72529633def", kill_on_drop: false }`
[INFO] [stdout] 86709c0ec11d1815b356f4945fae86b07a4bf4743bca400a8cd6b72529633def