[INFO] fetching crate imperative-rs 0.1.3...
[INFO] testing imperative-rs-0.1.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate imperative-rs 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate imperative-rs 0.1.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imperative-rs 0.1.3
[INFO] finished tweaking crates.io crate imperative-rs 0.1.3
[INFO] tweaked toml for crates.io crate imperative-rs 0.1.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imperative-rs-derive v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47e81df01ebbb9478a9b0bdcb4283203ddb3955285b2a62fd987df1404c7ed74
[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" "47e81df01ebbb9478a9b0bdcb4283203ddb3955285b2a62fd987df1404c7ed74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e81df01ebbb9478a9b0bdcb4283203ddb3955285b2a62fd987df1404c7ed74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e81df01ebbb9478a9b0bdcb4283203ddb3955285b2a62fd987df1404c7ed74", kill_on_drop: false }`
[INFO] [stdout] 47e81df01ebbb9478a9b0bdcb4283203ddb3955285b2a62fd987df1404c7ed74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68645d63af760555e9df504c58d622127e38c909847d9df94e24b658990d269c
[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" "68645d63af760555e9df504c58d622127e38c909847d9df94e24b658990d269c", kill_on_drop: false }`
[INFO] [stderr]    Compiling imperative-rs-derive v0.1.3
[INFO] [stderr]    Compiling imperative-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "68645d63af760555e9df504c58d622127e38c909847d9df94e24b658990d269c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68645d63af760555e9df504c58d622127e38c909847d9df94e24b658990d269c", kill_on_drop: false }`
[INFO] [stdout] 68645d63af760555e9df504c58d622127e38c909847d9df94e24b658990d269c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3691a643a3530eca14b1c43ee165799bbba2bba6588685ed84a6b0aafd0dc93
[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" "e3691a643a3530eca14b1c43ee165799bbba2bba6588685ed84a6b0aafd0dc93", kill_on_drop: false }`
[INFO] [stderr]    Compiling imperative-rs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "e3691a643a3530eca14b1c43ee165799bbba2bba6588685ed84a6b0aafd0dc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3691a643a3530eca14b1c43ee165799bbba2bba6588685ed84a6b0aafd0dc93", kill_on_drop: false }`
[INFO] [stdout] e3691a643a3530eca14b1c43ee165799bbba2bba6588685ed84a6b0aafd0dc93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dafa59f10952796d9d09587977f5f08ce7b83253fcb7619aad4aceee4330888
[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" "4dafa59f10952796d9d09587977f5f08ce7b83253fcb7619aad4aceee4330888", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imperative_rs-ca1b7b5f7b744f94
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imperative-rs
[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 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] test src/lib.rs - DecodeError::Overflow (line 47) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0005]: refutable pattern in local binding: `(_, Inc { .. })`, `(_, Add { .. })` and `(_, Mov { .. })` not covered
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (num_bytes, Is::Nop) = Is::decode(&mem).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ patterns `(_, Inc { .. })`, `(_, Add { .. })` and `(_, Mov { .. })` not covered
[INFO] [stdout]    |
[INFO] [stdout]    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
[INFO] [stdout]    = note: the matched value is of type `(usize, Is)`
[INFO] [stdout] help: you might want to use `if let` to ignore the variant that isn't matched
[INFO] [stdout]    |
[INFO] [stdout] 23 |     if let (num_bytes, Is::Nop) = Is::decode(&mem).unwrap() { /* */ }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0005`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - DecodeError::Overflow (line 47) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     assert_eq!(DecodeError::Overflow, instr); //trying to cast 256 into an u8
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `DecodeError`, found enum `std::result::Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `DecodeError`
[INFO] [stdout]               found enum `std::result::Result<(usize, Is), DecodeError>`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Is` doesn't implement `Debug`
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     assert_eq!(DecodeError::Overflow, instr); //trying to cast 256 into an u8
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Is` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Is`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `Debug` for `(usize, Is)`
[INFO] [stdout]    = note: required because of the requirements on the impl of `Debug` for `std::result::Result<(usize, Is), DecodeError>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `Debug` for `&std::result::Result<(usize, Is), DecodeError>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout]     src/lib.rs - DecodeError::Overflow (line 47)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "4dafa59f10952796d9d09587977f5f08ce7b83253fcb7619aad4aceee4330888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dafa59f10952796d9d09587977f5f08ce7b83253fcb7619aad4aceee4330888", kill_on_drop: false }`
[INFO] [stdout] 4dafa59f10952796d9d09587977f5f08ce7b83253fcb7619aad4aceee4330888
