[INFO] fetching crate cpclib-macros 0.4.2-alpha...
[INFO] checking cpclib-macros-0.4.2-alpha against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate cpclib-macros 0.4.2-alpha into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cpclib-macros 0.4.2-alpha on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpclib-macros 0.4.2-alpha
[INFO] finished tweaking crates.io crate cpclib-macros 0.4.2-alpha
[INFO] tweaked toml for crates.io crate cpclib-macros 0.4.2-alpha written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58b6b729f453b12d965beb64d0ffc62c4c396132779ddfb2487b3c486baf7dad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58b6b729f453b12d965beb64d0ffc62c4c396132779ddfb2487b3c486baf7dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b6b729f453b12d965beb64d0ffc62c4c396132779ddfb2487b3c486baf7dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b6b729f453b12d965beb64d0ffc62c4c396132779ddfb2487b3c486baf7dad", kill_on_drop: false }`
[INFO] [stdout] 58b6b729f453b12d965beb64d0ffc62c4c396132779ddfb2487b3c486baf7dad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d0244bc155b778a301a5a53ddd61a339f40ef848bdc7076a21fdff56b00ea3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d0244bc155b778a301a5a53ddd61a339f40ef848bdc7076a21fdff56b00ea3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking bitsets v0.1.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking custom_error v1.8.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling delegate v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling remain v0.2.2
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling built v0.4.3
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]    Compiling cpclib-sna v0.4.2-alpha
[INFO] [stderr]    Compiling cpclib-tokens v0.4.2-alpha
[INFO] [stderr]    Compiling cpclib-disc v0.4.2-alpha
[INFO] [stderr]    Compiling cpclib-basic v0.4.2-alpha
[INFO] [stderr]    Compiling cpclib-asm v0.4.2-alpha
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking cpclib-macros v0.4.2-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `token`
[INFO] [stdout]  --> src/lib.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse_macro_input, Result, token, Error};
[INFO] [stdout]   |                                      ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `token`
[INFO] [stdout]  --> src/lib.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse_macro_input, Result, token, Error};
[INFO] [stdout]   |                                      ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse::Parser`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse::Parser`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::parse::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tokens.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut inner_token = TokenStream::new();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/tokens.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut inner_token = TokenStream::new();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 41s
[INFO] running `Command { std: "docker" "inspect" "9d0244bc155b778a301a5a53ddd61a339f40ef848bdc7076a21fdff56b00ea3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0244bc155b778a301a5a53ddd61a339f40ef848bdc7076a21fdff56b00ea3c", kill_on_drop: false }`
[INFO] [stdout] 9d0244bc155b778a301a5a53ddd61a339f40ef848bdc7076a21fdff56b00ea3c