[INFO] cloning repository https://github.com/miroslavkrysl/mvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miroslavkrysl/mvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiroslavkrysl%2Fmvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiroslavkrysl%2Fmvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5caa62c0e6c19be3b754fbb24107be3c3c92c14
[INFO] checking miroslavkrysl/mvm against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiroslavkrysl%2Fmvm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/miroslavkrysl/mvm
[INFO] finished tweaking git repo https://github.com/miroslavkrysl/mvm
[INFO] tweaked toml for git repo https://github.com/miroslavkrysl/mvm written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/miroslavkrysl/mvm on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/miroslavkrysl/mvm 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f80e3f8e00bd7653ce2f01fed771e11755c9d24aae89ff5f14584cd978796b9
[INFO] running `Command { std: "docker" "start" "-a" "2f80e3f8e00bd7653ce2f01fed771e11755c9d24aae89ff5f14584cd978796b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f80e3f8e00bd7653ce2f01fed771e11755c9d24aae89ff5f14584cd978796b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f80e3f8e00bd7653ce2f01fed771e11755c9d24aae89ff5f14584cd978796b9", kill_on_drop: false }`
[INFO] [stdout] 2f80e3f8e00bd7653ce2f01fed771e11755c9d24aae89ff5f14584cd978796b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d2d6b975a280f949f53c0740e20ce61dfc5d1cfca6009018332ebea25eacfd
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[INFO] [stderr]     Checking mvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `size` is not used by name
[INFO] [stdout]   --> src/vm/memory/error.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[error("index {} is out of bounds, locals size is {size}")]
[INFO] [stdout]    |             ^^^^^^^--^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      this formatting argument uses named argument `size` by position
[INFO] [stdout]    |             this named argument is referred to by position in formatting string
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[error("index {size} is out of bounds, locals size is {size}")]
[INFO] [stdout]    |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `size` is not used by name
[INFO] [stdout]   --> src/vm/memory/error.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[error("index {} is out of bounds, locals size is {size}")]
[INFO] [stdout]    |             ^^^^^^^--^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |      |
[INFO] [stdout]    |             |      this formatting argument uses named argument `size` by position
[INFO] [stdout]    |             this named argument is referred to by position in formatting string
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[error("index {size} is out of bounds, locals size is {size}")]
[INFO] [stdout]    |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gui/vm.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     SelectFrame(usize, Arc<VmFrame>),
[INFO] [stdout]    |     ----------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     SelectFrame(usize, Arc<VmFrame>),
[INFO] [stdout] 40 +     SelectFrame((), Arc<VmFrame>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nonstatic_fields_len` is never read
[INFO] [stdout]   --> src/vm/class/class.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Class {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     nonstatic_fields_len: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Class` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/parse/parser.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(input: &str) -> ClassFileParser {
[INFO] [stdout]    |                       ^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(input: &str) -> ClassFileParser<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vm/memory/operand_stack.rs:436:13
[INFO] [stdout]     |
[INFO] [stdout] 436 |         let mut stack = OperandStack::new(32);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/gui/vm.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     SelectFrame(usize, Arc<VmFrame>),
[INFO] [stdout]    |     ----------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     SelectFrame(usize, Arc<VmFrame>),
[INFO] [stdout] 40 +     SelectFrame((), Arc<VmFrame>),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nonstatic_fields_len` is never read
[INFO] [stdout]   --> src/vm/class/class.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Class {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     nonstatic_fields_len: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Class` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/parse/parser.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(input: &str) -> ClassFileParser {
[INFO] [stdout]    |                       ^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(input: &str) -> ClassFileParser<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "08d2d6b975a280f949f53c0740e20ce61dfc5d1cfca6009018332ebea25eacfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d2d6b975a280f949f53c0740e20ce61dfc5d1cfca6009018332ebea25eacfd", kill_on_drop: false }`
[INFO] [stdout] 08d2d6b975a280f949f53c0740e20ce61dfc5d1cfca6009018332ebea25eacfd
