[INFO] updating cached repository https://github.com/imtsuki/w
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62684579f84b9d294f98105dbe2f68a244de3b17
[INFO] testing imtsuki/w against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fw" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imtsuki/w on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/imtsuki/w
[INFO] finished tweaking git repo https://github.com/imtsuki/w
[INFO] tweaked toml for git repo https://github.com/imtsuki/w written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/imtsuki/w already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a096eb188a30872d634359014117df94700a5561aed9cb95851b624102bfcaa3
[INFO] running `"docker" "start" "-a" "a096eb188a30872d634359014117df94700a5561aed9cb95851b624102bfcaa3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling w v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]  --> src/w.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Var(String),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lit`
[INFO] [stderr]  --> src/w.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Lit(Lit),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `App`
[INFO] [stderr]   --> src/w.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     App(Box<Exp>, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abs`
[INFO] [stderr]   --> src/w.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Abs(String, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/w.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Let(String, Box<Exp>, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/w.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Int(i64),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/w.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Bool(bool),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]   --> src/w.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Str(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/w.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Var(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/w.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Int,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fun`
[INFO] [stderr]   --> src/w.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Fun(Box<Type>, Box<Type>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "a096eb188a30872d634359014117df94700a5561aed9cb95851b624102bfcaa3"`
[INFO] running `"docker" "rm" "-f" "a096eb188a30872d634359014117df94700a5561aed9cb95851b624102bfcaa3"`
[INFO] [stdout] a096eb188a30872d634359014117df94700a5561aed9cb95851b624102bfcaa3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a7b8ea3846d2fb7e825077107d84faab16550794d771df430d2c7e396c55bf0
[INFO] running `"docker" "start" "-a" "7a7b8ea3846d2fb7e825077107d84faab16550794d771df430d2c7e396c55bf0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling w v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]  --> src/w.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Var(String),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lit`
[INFO] [stderr]  --> src/w.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Lit(Lit),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `App`
[INFO] [stderr]   --> src/w.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     App(Box<Exp>, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abs`
[INFO] [stderr]   --> src/w.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Abs(String, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/w.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Let(String, Box<Exp>, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/w.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Int(i64),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/w.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Bool(bool),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]   --> src/w.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Str(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/w.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Var(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/w.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Int,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fun`
[INFO] [stderr]   --> src/w.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Fun(Box<Type>, Box<Type>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "7a7b8ea3846d2fb7e825077107d84faab16550794d771df430d2c7e396c55bf0"`
[INFO] running `"docker" "rm" "-f" "7a7b8ea3846d2fb7e825077107d84faab16550794d771df430d2c7e396c55bf0"`
[INFO] [stdout] 7a7b8ea3846d2fb7e825077107d84faab16550794d771df430d2c7e396c55bf0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 4f0c02708eef1df94d6e0bc4f352efd6bfe2bb274c3240b5850e1e212b553946
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4f0c02708eef1df94d6e0bc4f352efd6bfe2bb274c3240b5850e1e212b553946"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]  --> src/w.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Var(String),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lit`
[INFO] [stderr]  --> src/w.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Lit(Lit),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `App`
[INFO] [stderr]   --> src/w.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     App(Box<Exp>, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abs`
[INFO] [stderr]   --> src/w.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Abs(String, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/w.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Let(String, Box<Exp>, Box<Exp>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/w.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Int(i64),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/w.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Bool(bool),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]   --> src/w.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Str(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/w.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Var(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/w.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Int,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fun`
[INFO] [stderr]   --> src/w.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Fun(Box<Type>, Box<Type>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/w-7a98a9c2ac48c38b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4f0c02708eef1df94d6e0bc4f352efd6bfe2bb274c3240b5850e1e212b553946"`
[INFO] running `"docker" "rm" "-f" "4f0c02708eef1df94d6e0bc4f352efd6bfe2bb274c3240b5850e1e212b553946"`
[INFO] [stdout] 4f0c02708eef1df94d6e0bc4f352efd6bfe2bb274c3240b5850e1e212b553946