[INFO] cloning repository https://github.com/ankrugold/redismachine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ankrugold/redismachine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankrugold%2Fredismachine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankrugold%2Fredismachine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9c9aee389fe30b16754c3c6275786bc411e2a74
[INFO] building ankrugold/redismachine against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankrugold%2Fredismachine" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ankrugold/redismachine on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ankrugold/redismachine
[INFO] finished tweaking git repo https://github.com/ankrugold/redismachine
[INFO] tweaked toml for git repo https://github.com/ankrugold/redismachine written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ankrugold/redismachine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded cexpr v0.3.5
[INFO] [stderr]   Downloaded redis-module v0.5.0
[INFO] [stderr]   Downloaded which v3.0.0
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded bindgen v0.51.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8286a05f94040636aa6093224007fa1c937505971f110452f6cf05121c54b3dc
[INFO] running `Command { std: "docker" "start" "-a" "8286a05f94040636aa6093224007fa1c937505971f110452f6cf05121c54b3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8286a05f94040636aa6093224007fa1c937505971f110452f6cf05121c54b3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8286a05f94040636aa6093224007fa1c937505971f110452f6cf05121c54b3dc", kill_on_drop: false }`
[INFO] [stdout] 8286a05f94040636aa6093224007fa1c937505971f110452f6cf05121c54b3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 559c4c71ca2d2b42b7375e280b1897019a7256e3ad31ab5eb078b2dd8ccf9e43
[INFO] running `Command { std: "docker" "start" "-a" "559c4c71ca2d2b42b7375e280b1897019a7256e3ad31ab5eb078b2dd8ccf9e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling which v3.0.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling redis-module v0.5.0
[INFO] [stderr]    Compiling redismachine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trans`
[INFO] [stdout]   --> src/machine.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Some(trans) => {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_trans`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encver`
[INFO] [stdout]   --> src/machine.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     encver: c_int,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_encver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Some(value) => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/machine.rs:57:44
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let trans = option.unwrap().clone();
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Transition` does not implement `Clone`, so calling `clone` on `&Transition` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 57 -                 let trans = option.unwrap().clone();
[INFO] [stdout] 57 +                 let trans = option.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Transition`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 12 + #[derive(Clone)]
[INFO] [stdout] 13 | pub struct Transition {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Free` should have a snake case name
[INFO] [stdout]    --> src/machine.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub unsafe extern "C" fn Free(value: *mut c_void) {
[INFO] [stdout]     |                          ^^^^ help: convert the identifier to snake case (notice the capitalization): `free`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/machine.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     Box::from_raw(value as *mut SMachine);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = Box::from_raw(value as *mut SMachine);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.5, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "559c4c71ca2d2b42b7375e280b1897019a7256e3ad31ab5eb078b2dd8ccf9e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559c4c71ca2d2b42b7375e280b1897019a7256e3ad31ab5eb078b2dd8ccf9e43", kill_on_drop: false }`
[INFO] [stdout] 559c4c71ca2d2b42b7375e280b1897019a7256e3ad31ab5eb078b2dd8ccf9e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f39557201af64fe5062872ceec0af3ea28fece7c2d20f2e8308ea08ef23b7fed
[INFO] running `Command { std: "docker" "start" "-a" "f39557201af64fe5062872ceec0af3ea28fece7c2d20f2e8308ea08ef23b7fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling redismachine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trans`
[INFO] [stdout]   --> src/machine.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Some(trans) => {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_trans`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encver`
[INFO] [stdout]   --> src/machine.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     encver: c_int,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_encver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Some(value) => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/machine.rs:57:44
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let trans = option.unwrap().clone();
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Transition` does not implement `Clone`, so calling `clone` on `&Transition` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 57 -                 let trans = option.unwrap().clone();
[INFO] [stdout] 57 +                 let trans = option.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Transition`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 12 + #[derive(Clone)]
[INFO] [stdout] 13 | pub struct Transition {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Free` should have a snake case name
[INFO] [stdout]    --> src/machine.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub unsafe extern "C" fn Free(value: *mut c_void) {
[INFO] [stdout]     |                          ^^^^ help: convert the identifier to snake case (notice the capitalization): `free`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/machine.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     Box::from_raw(value as *mut SMachine);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = Box::from_raw(value as *mut SMachine);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.5, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f39557201af64fe5062872ceec0af3ea28fece7c2d20f2e8308ea08ef23b7fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39557201af64fe5062872ceec0af3ea28fece7c2d20f2e8308ea08ef23b7fed", kill_on_drop: false }`
[INFO] [stdout] f39557201af64fe5062872ceec0af3ea28fece7c2d20f2e8308ea08ef23b7fed