[INFO] cloning repository https://github.com/ExcaliburZero/jvm-class-file-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ExcaliburZero/jvm-class-file-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fjvm-class-file-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fjvm-class-file-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5435b9159c2901abaa5f1c5cc6a462abffeaec29
[INFO] checking ExcaliburZero/jvm-class-file-parser against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fjvm-class-file-parser" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ExcaliburZero/jvm-class-file-parser on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ExcaliburZero/jvm-class-file-parser
[INFO] finished tweaking git repo https://github.com/ExcaliburZero/jvm-class-file-parser
[INFO] tweaked toml for git repo https://github.com/ExcaliburZero/jvm-class-file-parser written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ExcaliburZero/jvm-class-file-parser 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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b71da18d2ce5b5826f8542dc9fd6422b8b54d55d92d29081fafe2842b1228815
[INFO] running `Command { std: "docker" "start" "-a" "b71da18d2ce5b5826f8542dc9fd6422b8b54d55d92d29081fafe2842b1228815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71da18d2ce5b5826f8542dc9fd6422b8b54d55d92d29081fafe2842b1228815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71da18d2ce5b5826f8542dc9fd6422b8b54d55d92d29081fafe2842b1228815", kill_on_drop: false }`
[INFO] [stdout] b71da18d2ce5b5826f8542dc9fd6422b8b54d55d92d29081fafe2842b1228815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97892f75369c7b9e457d419b4d64ab2b55fb84a6a4035dd001a3816249262a9d
[INFO] running `Command { std: "docker" "start" "-a" "97892f75369c7b9e457d419b4d64ab2b55fb84a6a4035dd001a3816249262a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking jvm-class-file-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/class_file.rs:69:53
[INFO] [stdout]    |
[INFO] [stdout] 69 |         if let ConstantClass { name_index } = *class.deref() {
[INFO] [stdout]    |                                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `constant_pool::ConstantPoolEntry` does not implement `Deref`, so calling `deref` on `&constant_pool::ConstantPoolEntry` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/class_file.rs:75:130
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 panic!("The \"name_index\" pointed to by \"this_class\" did not point to a ConstantUtf8. Found: {:?}", class_name.deref())
[INFO] [stdout]    |                                                                                                                                  ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `constant_pool::ConstantPoolEntry` does not implement `Deref`, so calling `deref` on `&constant_pool::ConstantPoolEntry` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/class_file.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 class.deref()
[INFO] [stdout]    |                      ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `constant_pool::ConstantPoolEntry` does not implement `Deref`, so calling `deref` on `&constant_pool::ConstantPoolEntry` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/class_file.rs:106:64
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if let ConstantUtf8 { ref string } = *name_constant.deref() {
[INFO] [stdout]     |                                                                ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `constant_pool::ConstantPoolEntry` does not implement `Deref`, so calling `deref` on `&constant_pool::ConstantPoolEntry` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/class_file.rs:119:141
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...nt to a ConstantUtf8. Found: {:?}", source_constant.deref());
[INFO] [stdout]     |                                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `constant_pool::ConstantPoolEntry` does not implement `Deref`, so calling `deref` on `&constant_pool::ConstantPoolEntry` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parsing.rs:139:66
[INFO] [stdout]     |
[INFO] [stdout] 139 |         match constant_pool.get(constant_pool.len() - 1).unwrap().deref() {
[INFO] [stdout]     |                                                                  ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `constant_pool::ConstantPoolEntry` does not implement `Deref`, so calling `deref` on `&constant_pool::ConstantPoolEntry` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jvm-class-file-parser` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "97892f75369c7b9e457d419b4d64ab2b55fb84a6a4035dd001a3816249262a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97892f75369c7b9e457d419b4d64ab2b55fb84a6a4035dd001a3816249262a9d", kill_on_drop: false }`
[INFO] [stdout] 97892f75369c7b9e457d419b4d64ab2b55fb84a6a4035dd001a3816249262a9d