[INFO] cloning repository https://github.com/mckinnsb/rusty_z
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mckinnsb/rusty_z" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmckinnsb%2Frusty_z", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmckinnsb%2Frusty_z'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b1700f8b6c2a8cbff967721435b0cea9dc2191d
[INFO] checking mckinnsb/rusty_z against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmckinnsb%2Frusty_z" "/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/mckinnsb/rusty_z on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mckinnsb/rusty_z
[INFO] finished tweaking git repo https://github.com/mckinnsb/rusty_z
[INFO] tweaked toml for git repo https://github.com/mckinnsb/rusty_z written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mckinnsb/rusty_z 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base-x v0.2.6
[INFO] [stderr]   Downloaded serde_yaml v0.5.1
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded ordered-float v0.2.3
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded futures-channel v0.3.1
[INFO] [stderr]   Downloaded dtoa v0.3.1
[INFO] [stderr]   Downloaded log4rs v0.5.2
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-macro v0.3.1
[INFO] [stderr]   Downloaded serde-value v0.3.1
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10f80d3cfd4bcabe75cde90398be360467b3aec5a84415934c2f16bd906f20f
[INFO] running `Command { std: "docker" "start" "-a" "b10f80d3cfd4bcabe75cde90398be360467b3aec5a84415934c2f16bd906f20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10f80d3cfd4bcabe75cde90398be360467b3aec5a84415934c2f16bd906f20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10f80d3cfd4bcabe75cde90398be360467b3aec5a84415934c2f16bd906f20f", kill_on_drop: false }`
[INFO] [stdout] b10f80d3cfd4bcabe75cde90398be360467b3aec5a84415934c2f16bd906f20f
[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" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f8b1b1453702a0b5d7315ab6f9c0b6e22598d144204c1144f1cf4ace4663e3
[INFO] running `Command { std: "docker" "start" "-a" "c6f8b1b1453702a0b5d7315ab6f9c0b6e22598d144204c1144f1cf4ace4663e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking dtoa v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking serde_yaml v0.5.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.2.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking serde-value v0.3.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking log4rs v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking rusty_z v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/zmachine/instruction_set.rs:836:39
[INFO] [stdout]     |
[INFO] [stdout] 836 |         (Some(uhalf), Some(lhalf)) => ((((uhalf as u32) << 16) & 0xFFFF0000) | (lhalf as u32)),
[INFO] [stdout]     |                                       ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 836 -         (Some(uhalf), Some(lhalf)) => ((((uhalf as u32) << 16) & 0xFFFF0000) | (lhalf as u32)),
[INFO] [stdout] 836 +         (Some(uhalf), Some(lhalf)) => (((uhalf as u32) << 16) & 0xFFFF0000) | (lhalf as u32),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/zmachine/memory_view.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         (self.pointer + (offset))
[INFO] [stdout]    |         ^                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -         (self.pointer + (offset))
[INFO] [stdout] 70 +         self.pointer + (offset)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/zmachine/instruction_set.rs:836:39
[INFO] [stdout]     |
[INFO] [stdout] 836 |         (Some(uhalf), Some(lhalf)) => ((((uhalf as u32) << 16) & 0xFFFF0000) | (lhalf as u32)),
[INFO] [stdout]     |                                       ^                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 836 -         (Some(uhalf), Some(lhalf)) => ((((uhalf as u32) << 16) & 0xFFFF0000) | (lhalf as u32)),
[INFO] [stdout] 836 +         (Some(uhalf), Some(lhalf)) => (((uhalf as u32) << 16) & 0xFFFF0000) | (lhalf as u32),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/zmachine/memory_view.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         (self.pointer + (offset))
[INFO] [stdout]    |         ^                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -         (self.pointer + (offset))
[INFO] [stdout] 70 +         self.pointer + (offset)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c6f8b1b1453702a0b5d7315ab6f9c0b6e22598d144204c1144f1cf4ace4663e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f8b1b1453702a0b5d7315ab6f9c0b6e22598d144204c1144f1cf4ace4663e3", kill_on_drop: false }`
[INFO] [stdout] c6f8b1b1453702a0b5d7315ab6f9c0b6e22598d144204c1144f1cf4ace4663e3