[INFO] cloning repository https://github.com/pdoms/lc3 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pdoms/lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdoms%2Flc3", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdoms%2Flc3'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25839059ff28aa18709fab8b3529d5a587ee558e [INFO] checking pdoms/lc3 against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdoms%2Flc3" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pdoms/lc3 [INFO] finished tweaking git repo https://github.com/pdoms/lc3 [INFO] tweaked toml for git repo https://github.com/pdoms/lc3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pdoms/lc3 on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/pdoms/lc3 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a692fc463196e4d151d7793b6b8f51b3b7a3ec28f7a3512b009cdd66ae9e422 [INFO] running `Command { std: "docker" "start" "-a" "7a692fc463196e4d151d7793b6b8f51b3b7a3ec28f7a3512b009cdd66ae9e422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a692fc463196e4d151d7793b6b8f51b3b7a3ec28f7a3512b009cdd66ae9e422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a692fc463196e4d151d7793b6b8f51b3b7a3ec28f7a3512b009cdd66ae9e422", kill_on_drop: false }` [INFO] [stdout] 7a692fc463196e4d151d7793b6b8f51b3b7a3ec28f7a3512b009cdd66ae9e422 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fc3009453efd56ac7f43a80d690539a3138cd9dceb539d919d0cd38f5950f85 [INFO] running `Command { std: "docker" "start" "-a" "2fc3009453efd56ac7f43a80d690539a3138cd9dceb539d919d0cd38f5950f85", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.164 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking ctrlc v3.4.5 [INFO] [stderr] Checking lc3 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | reg[r0] = (reg[r1] & reg[r2]); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 276 - reg[r0] = (reg[r1] & reg[r2]); [INFO] [stdout] 276 + reg[r0] = reg[r1] & reg[r2]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | reg[r0] = (reg[r1] & reg[r2]); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 276 - reg[r0] = (reg[r1] & reg[r2]); [INFO] [stdout] 276 + reg[r0] = reg[r1] & reg[r2]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ch` is never read [INFO] [stdout] --> src/main.rs:510:39 [INFO] [stdout] | [INFO] [stdout] 510 | ... let mut ch = ((*ptr) & 0xFF) as u8 as char; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ch` is never read [INFO] [stdout] --> src/main.rs:510:39 [INFO] [stdout] | [INFO] [stdout] 510 | ... let mut ch = ((*ptr) & 0xFF) as u8 as char; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:386:58 [INFO] [stdout] | [INFO] [stdout] 386 | let readfds: *mut fd_set = MaybeUninit::zeroed().as_mut_ptr(); [INFO] [stdout] | --------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `MaybeUninit` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `MaybeUninit` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:389:59 [INFO] [stdout] | [INFO] [stdout] 389 | let timeout: *mut timeval = MaybeUninit::zeroed().as_mut_ptr(); [INFO] [stdout] | --------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `MaybeUninit` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `MaybeUninit` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:386:58 [INFO] [stdout] | [INFO] [stdout] 386 | let readfds: *mut fd_set = MaybeUninit::zeroed().as_mut_ptr(); [INFO] [stdout] | --------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `MaybeUninit` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `MaybeUninit` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:389:59 [INFO] [stdout] | [INFO] [stdout] 389 | let timeout: *mut timeval = MaybeUninit::zeroed().as_mut_ptr(); [INFO] [stdout] | --------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `MaybeUninit` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `MaybeUninit` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.98s [INFO] running `Command { std: "docker" "inspect" "2fc3009453efd56ac7f43a80d690539a3138cd9dceb539d919d0cd38f5950f85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fc3009453efd56ac7f43a80d690539a3138cd9dceb539d919d0cd38f5950f85", kill_on_drop: false }` [INFO] [stdout] 2fc3009453efd56ac7f43a80d690539a3138cd9dceb539d919d0cd38f5950f85