[INFO] cloning repository https://github.com/robot-rover/rust_jvm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robot-rover/rust_jvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-rover%2Frust_jvm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-rover%2Frust_jvm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1ddc5b7531ea3f9a2e2bd403f249c0057f260920 [INFO] checking robot-rover/rust_jvm against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-rover%2Frust_jvm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robot-rover/rust_jvm on toolchain 506512391b1a75ae450d36c9420978402a91abcc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/robot-rover/rust_jvm [INFO] finished tweaking git repo https://github.com/robot-rover/rust_jvm [INFO] tweaked toml for git repo https://github.com/robot-rover/rust_jvm written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/robot-rover/rust_jvm 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typed-arena v1.4.1 [INFO] [stderr] Downloaded zip v0.5.0 [INFO] [stderr] Downloaded libflate v0.1.20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 187c605d278a4d6213fb970ef1c656d586dcff6c1f4943951a5201940b1c067c [INFO] running `Command { std: "docker" "start" "-a" "187c605d278a4d6213fb970ef1c656d586dcff6c1f4943951a5201940b1c067c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "187c605d278a4d6213fb970ef1c656d586dcff6c1f4943951a5201940b1c067c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "187c605d278a4d6213fb970ef1c656d586dcff6c1f4943951a5201940b1c067c", kill_on_drop: false }` [INFO] [stdout] 187c605d278a4d6213fb970ef1c656d586dcff6c1f4943951a5201940b1c067c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f789c47de1d3cc83a564ea690df2915a81f27cc5b7b1787f96c4d1f680cbe043 [INFO] running `Command { std: "docker" "start" "-a" "f789c47de1d3cc83a564ea690df2915a81f27cc5b7b1787f96c4d1f680cbe043", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.49 [INFO] [stderr] Compiling cc v1.0.30 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling crc32fast v1.1.2 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking podio v0.1.6 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking typed-arena v1.4.1 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking libflate v0.1.20 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling bzip2-sys v0.1.7 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking zip v0.5.0 [INFO] [stderr] Checking jvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/class_loader.rs:113:24 [INFO] [stdout] | [INFO] [stdout] 33 | impl<'a> ClassLoader<'a> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 101 | fn load_array_class(&mut self, class_name: &'a str) -> ClassArray<'a> { [INFO] [stdout] | - let's call the lifetime of this reference `'1` [INFO] [stdout] ... [INFO] [stdout] 113 | let class: &mut ClassRef<'a> = class_ref; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ type annotation requires that `'1` must outlive `'a` [INFO] [stdout] | [INFO] [stdout] = note: requirement occurs because of a mutable reference to `ClassRef<'_>` [INFO] [stdout] = note: mutable references are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/class_loader.rs:113:24 [INFO] [stdout] | [INFO] [stdout] 33 | impl<'a> ClassLoader<'a> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 101 | fn load_array_class(&mut self, class_name: &'a str) -> ClassArray<'a> { [INFO] [stdout] | - let's call the lifetime of this reference `'1` [INFO] [stdout] ... [INFO] [stdout] 113 | let class: &mut ClassRef<'a> = class_ref; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ type annotation requires that `'1` must outlive `'a` [INFO] [stdout] | [INFO] [stdout] = note: requirement occurs because of a mutable reference to `ClassRef<'_>` [INFO] [stdout] = note: mutable references are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `self` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/class_loader.rs:114:27 [INFO] [stdout] | [INFO] [stdout] 114 | class.resolve(&mut self); [INFO] [stdout] | ^^^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] note: the binding is already a mutable borrow [INFO] [stdout] --> src/class_loader.rs:101:25 [INFO] [stdout] | [INFO] [stdout] 101 | fn load_array_class(&mut self, class_name: &'a str) -> ClassArray<'a> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] help: try removing `&mut` here [INFO] [stdout] | [INFO] [stdout] 114 - class.resolve(&mut self); [INFO] [stdout] 114 + class.resolve(self); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `self` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/class_loader.rs:114:27 [INFO] [stdout] | [INFO] [stdout] 114 | class.resolve(&mut self); [INFO] [stdout] | ^^^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] note: the binding is already a mutable borrow [INFO] [stdout] --> src/class_loader.rs:101:25 [INFO] [stdout] | [INFO] [stdout] 101 | fn load_array_class(&mut self, class_name: &'a str) -> ClassArray<'a> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] help: try removing `&mut` here [INFO] [stdout] | [INFO] [stdout] 114 - class.resolve(&mut self); [INFO] [stdout] 114 + class.resolve(self); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/class_loader.rs:166:35 [INFO] [stdout] | [INFO] [stdout] 33 | impl<'a> ClassLoader<'a> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 121 | &mut self, [INFO] [stdout] | - let's call the lifetime of this reference `'1` [INFO] [stdout] ... [INFO] [stdout] 166 | let super_class = super_class_ref.as_mut().unwrap().resolve(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'1` must outlive `'a` [INFO] [stdout] | [INFO] [stdout] = note: requirement occurs because of a mutable reference to `&mut ClassLoader<'_>` [INFO] [stdout] = note: mutable references are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/class_loader.rs:166:35 [INFO] [stdout] | [INFO] [stdout] 33 | impl<'a> ClassLoader<'a> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 121 | &mut self, [INFO] [stdout] | - let's call the lifetime of this reference `'1` [INFO] [stdout] ... [INFO] [stdout] 166 | let super_class = super_class_ref.as_mut().unwrap().resolve(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'1` must outlive `'a` [INFO] [stdout] | [INFO] [stdout] = note: requirement occurs because of a mutable reference to `&mut ClassLoader<'_>` [INFO] [stdout] = note: mutable references are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `self` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/class_loader.rs:166:77 [INFO] [stdout] | [INFO] [stdout] 166 | let super_class = super_class_ref.as_mut().unwrap().resolve(&mut self); [INFO] [stdout] | ^^^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] note: the binding is already a mutable borrow [INFO] [stdout] --> src/class_loader.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | &mut self, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] help: try removing `&mut` here [INFO] [stdout] | [INFO] [stdout] 166 - let super_class = super_class_ref.as_mut().unwrap().resolve(&mut self); [INFO] [stdout] 166 + let super_class = super_class_ref.as_mut().unwrap().resolve(self); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `self` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/class_loader.rs:166:77 [INFO] [stdout] | [INFO] [stdout] 166 | let super_class = super_class_ref.as_mut().unwrap().resolve(&mut self); [INFO] [stdout] | ^^^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] note: the binding is already a mutable borrow [INFO] [stdout] --> src/class_loader.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | &mut self, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] help: try removing `&mut` here [INFO] [stdout] | [INFO] [stdout] 166 - let super_class = super_class_ref.as_mut().unwrap().resolve(&mut self); [INFO] [stdout] 166 + let super_class = super_class_ref.as_mut().unwrap().resolve(self); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0596`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0596`. [INFO] [stdout] [INFO] [stderr] error: could not compile `jvm` (bin "jvm" test) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `jvm` (bin "jvm") due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "f789c47de1d3cc83a564ea690df2915a81f27cc5b7b1787f96c4d1f680cbe043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f789c47de1d3cc83a564ea690df2915a81f27cc5b7b1787f96c4d1f680cbe043", kill_on_drop: false }` [INFO] [stdout] f789c47de1d3cc83a564ea690df2915a81f27cc5b7b1787f96c4d1f680cbe043