[INFO] fetching crate wright 0.8.0...
[INFO] checking wright-0.8.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate wright 0.8.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wright 0.8.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wright 0.8.0
[INFO] finished tweaking crates.io crate wright 0.8.0
[INFO] tweaked toml for crates.io crate wright 0.8.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate wright 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codespan v0.5.0
[INFO] [stderr]   Downloaded codespan-reporting v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c116be31b9aeb7d970dde985d15a652fdbb1dac14f1d05492a3e8355e2f1c0f
[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" "6c116be31b9aeb7d970dde985d15a652fdbb1dac14f1d05492a3e8355e2f1c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c116be31b9aeb7d970dde985d15a652fdbb1dac14f1d05492a3e8355e2f1c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c116be31b9aeb7d970dde985d15a652fdbb1dac14f1d05492a3e8355e2f1c0f", kill_on_drop: false }`
[INFO] [stdout] 6c116be31b9aeb7d970dde985d15a652fdbb1dac14f1d05492a3e8355e2f1c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69ec9e58f047f05c9c02731f74ab9471a446cfb2fe1acc45721b8987ef15ad6f
[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" "69ec9e58f047f05c9c02731f74ab9471a446cfb2fe1acc45721b8987ef15ad6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking unicode-segmentation v1.5.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking codespan v0.5.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking codespan-reporting v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking wright v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ByteIndex`, `RawIndex`
[INFO] [stdout]  --> src/grammar.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use codespan::{ByteIndex, RawIndex};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]  --> src/grammar/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteIndex`, `RawIndex`
[INFO] [stdout]  --> src/grammar.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use codespan::{ByteIndex, RawIndex};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]  --> src/grammar/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filenames`
[INFO] [stdout]   --> src/lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filenames`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emits`
[INFO] [stdout]   --> src/lib.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_emits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/lib.rs:24:70
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filenames`
[INFO] [stdout]   --> src/lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filenames`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emits`
[INFO] [stdout]   --> src/lib.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_emits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/lib.rs:24:70
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub mod grammar;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/grammar.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Properties;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.17s
[INFO] running `Command { std: "docker" "inspect" "69ec9e58f047f05c9c02731f74ab9471a446cfb2fe1acc45721b8987ef15ad6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ec9e58f047f05c9c02731f74ab9471a446cfb2fe1acc45721b8987ef15ad6f", kill_on_drop: false }`
[INFO] [stdout] 69ec9e58f047f05c9c02731f74ab9471a446cfb2fe1acc45721b8987ef15ad6f