[INFO] cloning repository https://github.com/nielsdos/snowman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nielsdos/snowman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielsdos%2Fsnowman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielsdos%2Fsnowman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f88479c9bd34b67750ef72de760f330ab42a3f4f
[INFO] checking nielsdos/snowman against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielsdos%2Fsnowman" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nielsdos/snowman on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nielsdos/snowman
[INFO] finished tweaking git repo https://github.com/nielsdos/snowman
[INFO] tweaked toml for git repo https://github.com/nielsdos/snowman written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nielsdos/snowman 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 328d901885ef2231939a7f1da8d1a4abc9ec4992cfcf8b5486572f6da308b7b6
[INFO] running `Command { std: "docker" "start" "-a" "328d901885ef2231939a7f1da8d1a4abc9ec4992cfcf8b5486572f6da308b7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "328d901885ef2231939a7f1da8d1a4abc9ec4992cfcf8b5486572f6da308b7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328d901885ef2231939a7f1da8d1a4abc9ec4992cfcf8b5486572f6da308b7b6", kill_on_drop: false }`
[INFO] [stdout] 328d901885ef2231939a7f1da8d1a4abc9ec4992cfcf8b5486572f6da308b7b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75170dc4c41f0e687b0aedd134a4dfd3924b6f6a4037989c8e6f9bb8c8e31cdd
[INFO] running `Command { std: "docker" "start" "-a" "75170dc4c41f0e687b0aedd134a4dfd3924b6f6a4037989c8e6f9bb8c8e31cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling syscall v0.1.0 (/opt/rustwide/workdir/lib/syscall)
[INFO] [stderr]     Checking snowman_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `accessor`
[INFO] [stdout]    --> src/emulated_kernel.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         accessor: EmulatorAccessor,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_accessor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `accessor`
[INFO] [stdout]    --> src/emulated_kernel.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         accessor: EmulatorAccessor,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_accessor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `deallocate` is never used
[INFO] [stdout]   --> src/bitvector_allocator.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl BitVectorAllocator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn deallocate(&mut self, bit: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_r8_imm8` is never used
[INFO] [stdout]    --> src/emulator.rs:743:8
[INFO] [stdout]     |
[INFO] [stdout] 31  | impl<'a> Emulator<'a> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 743 |     fn cmp_r8_imm8(&mut self, reg: u8) -> Result<(), EmulatorError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `overwrite_u8` is never used
[INFO] [stdout]   --> src/executable.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Executable<'a> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn overwrite_u8(&mut self, offset: usize, data: u8) -> Result<(), ExecutableFormatError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `deallocate` is never used
[INFO] [stdout]   --> src/bitvector_allocator.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl BitVectorAllocator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn deallocate(&mut self, bit: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_r8_imm8` is never used
[INFO] [stdout]    --> src/emulator.rs:743:8
[INFO] [stdout]     |
[INFO] [stdout] 31  | impl<'a> Emulator<'a> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 743 |     fn cmp_r8_imm8(&mut self, reg: u8) -> Result<(), EmulatorError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `overwrite_u8` is never used
[INFO] [stdout]   --> src/executable.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Executable<'a> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn overwrite_u8(&mut self, offset: usize, data: u8) -> Result<(), ExecutableFormatError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "75170dc4c41f0e687b0aedd134a4dfd3924b6f6a4037989c8e6f9bb8c8e31cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75170dc4c41f0e687b0aedd134a4dfd3924b6f6a4037989c8e6f9bb8c8e31cdd", kill_on_drop: false }`
[INFO] [stdout] 75170dc4c41f0e687b0aedd134a4dfd3924b6f6a4037989c8e6f9bb8c8e31cdd