[INFO] cloning repository https://github.com/FreeFull/ngaro-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeFull/ngaro-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fngaro-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fngaro-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f016d8512c4532aa8b2132a8a14c86945df29856
[INFO] checking FreeFull/ngaro-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fngaro-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeFull/ngaro-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeFull/ngaro-rs
[INFO] finished tweaking git repo https://github.com/FreeFull/ngaro-rs
[INFO] tweaked toml for git repo https://github.com/FreeFull/ngaro-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeFull/ngaro-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] a1aba6554e0e3d421fa6bae185bdf2a73db1c30a865c5fe7ea4fcda558c06d33
[INFO] running `Command { std: "docker" "start" "-a" "a1aba6554e0e3d421fa6bae185bdf2a73db1c30a865c5fe7ea4fcda558c06d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1aba6554e0e3d421fa6bae185bdf2a73db1c30a865c5fe7ea4fcda558c06d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1aba6554e0e3d421fa6bae185bdf2a73db1c30a865c5fe7ea4fcda558c06d33", kill_on_drop: false }`
[INFO] [stdout] a1aba6554e0e3d421fa6bae185bdf2a73db1c30a865c5fe7ea4fcda558c06d33
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee3869aa0643a14610a39cbeeed94bf3573f5e3dcff0658f2efb5e3c29ad0fbf
[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" "ee3869aa0643a14610a39cbeeed94bf3573f5e3dcff0658f2efb5e3c29ad0fbf", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking serde v1.0.34
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]    Compiling serde_derive_internals v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.34
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking ngaro-rs v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut stdin: Box<Read> = Box::new(stdin.lock());
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut stdin: Box<Read> = Box::new(stdin.lock());
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/cpu.rs:20:21
[INFO] [stdout]     |
[INFO] [stdout] 20  |             None => return $rval,
[INFO] [stdout]     |                     ^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
[INFO] [stdout]     |                   ---------------------------------------------------------
[INFO] [stdout]     |                   |                          |
[INFO] [stdout]     |                   |                          any code following this expression is unreachable
[INFO] [stdout]     |                   in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/cpu.rs:20:21
[INFO] [stdout]     |
[INFO] [stdout] 20  |             None => return $rval,
[INFO] [stdout]     |                     ^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
[INFO] [stdout]     |                   ---------------------------------------------------------
[INFO] [stdout]     |                   |                          |
[INFO] [stdout]     |                   |                          any code following this expression is unreachable
[INFO] [stdout]     |                   in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]    --> src/cpu.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     Empty,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]    --> src/cpu.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     Empty,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.19s
[INFO] running `Command { std: "docker" "inspect" "ee3869aa0643a14610a39cbeeed94bf3573f5e3dcff0658f2efb5e3c29ad0fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3869aa0643a14610a39cbeeed94bf3573f5e3dcff0658f2efb5e3c29ad0fbf", kill_on_drop: false }`
[INFO] [stdout] ee3869aa0643a14610a39cbeeed94bf3573f5e3dcff0658f2efb5e3c29ad0fbf