[INFO] fetching crate moniker 0.5.0...
[INFO] testing moniker-0.5.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate moniker 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate moniker 0.5.0 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 crates.io crate moniker 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate moniker 0.5.0
[INFO] tweaked toml for crates.io crate moniker 0.5.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded moniker-derive v0.5.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] df0a0e243105288323b7e607f479f748c4eb239e465a085e60fafdeca8b63e1a
[INFO] running `"docker" "start" "-a" "df0a0e243105288323b7e607f479f748c4eb239e465a085e60fafdeca8b63e1a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling moniker-derive v0.5.0
[INFO] [stderr]    Compiling moniker v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.62s
[INFO] running `"docker" "inspect" "df0a0e243105288323b7e607f479f748c4eb239e465a085e60fafdeca8b63e1a"`
[INFO] running `"docker" "rm" "-f" "df0a0e243105288323b7e607f479f748c4eb239e465a085e60fafdeca8b63e1a"`
[INFO] [stdout] df0a0e243105288323b7e607f479f748c4eb239e465a085e60fafdeca8b63e1a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8afc7dfd7bdf66b21ea3cc333d924bc1d627255678ab4e4220db5191ab30b5cc
[INFO] running `"docker" "start" "-a" "8afc7dfd7bdf66b21ea3cc333d924bc1d627255678ab4e4220db5191ab30b5cc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling moniker v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/lc_letrec.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/stlc.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'im::HashMap::<K, V>::singleton': renamed to `unit` for consistency
[INFO] [stderr]    --> examples/stlc_data.rs:406:23
[INFO] [stderr]     |
[INFO] [stderr] 406 |             return Ok(Context::singleton(free_var.clone(), expected_ty.clone()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'im::HashMap::<K, V>::singleton': renamed to `unit` for consistency
[INFO] [stderr]    --> examples/stlc_data_isorec.rs:485:23
[INFO] [stderr]     |
[INFO] [stderr] 485 |             return Ok(Context::singleton(free_var.clone(), expected_ty.clone()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `"docker" "inspect" "8afc7dfd7bdf66b21ea3cc333d924bc1d627255678ab4e4220db5191ab30b5cc"`
[INFO] running `"docker" "rm" "-f" "8afc7dfd7bdf66b21ea3cc333d924bc1d627255678ab4e4220db5191ab30b5cc"`
[INFO] [stdout] 8afc7dfd7bdf66b21ea3cc333d924bc1d627255678ab4e4220db5191ab30b5cc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f47d20266a59b494c5091863ed82ced1dde6e8cc37eb702f7e4a9b35dbe7c2dc
[INFO] running `"docker" "start" "-a" "f47d20266a59b494c5091863ed82ced1dde6e8cc37eb702f7e4a9b35dbe7c2dc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'im::HashMap::<K, V>::singleton': renamed to `unit` for consistency
[INFO] [stderr]    --> examples/stlc_data_isorec.rs:485:23
[INFO] [stderr]     |
[INFO] [stderr] 485 |             return Ok(Context::singleton(free_var.clone(), expected_ty.clone()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'im::HashMap::<K, V>::singleton': renamed to `unit` for consistency
[INFO] [stderr]    --> examples/stlc_data.rs:406:23
[INFO] [stderr]     |
[INFO] [stderr] 406 |             return Ok(Context::singleton(free_var.clone(), expected_ty.clone()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/stlc.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/lc_letrec.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/moniker-a2a1ce73686e09d7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests moniker
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f47d20266a59b494c5091863ed82ced1dde6e8cc37eb702f7e4a9b35dbe7c2dc"`
[INFO] running `"docker" "rm" "-f" "f47d20266a59b494c5091863ed82ced1dde6e8cc37eb702f7e4a9b35dbe7c2dc"`
[INFO] [stdout] f47d20266a59b494c5091863ed82ced1dde6e8cc37eb702f7e4a9b35dbe7c2dc