[INFO] cloning repository https://github.com/KeenS/webml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeenS/webml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95d4541352131b65ccef05f1df648591d4c0df2d
[INFO] checking KeenS/webml against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml" "/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/KeenS/webml on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/KeenS/webml
[INFO] finished tweaking git repo https://github.com/KeenS/webml
[INFO] tweaked toml for git repo https://github.com/KeenS/webml written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KeenS/webml 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded web-assembler v0.1.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c854b4bdb8e5eb45bf8bdfca5b8ce9d3d80a9c85a33c35c5e1cf318110de16b
[INFO] running `Command { std: "docker" "start" "-a" "8c854b4bdb8e5eb45bf8bdfca5b8ce9d3d80a9c85a33c35c5e1cf318110de16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c854b4bdb8e5eb45bf8bdfca5b8ce9d3d80a9c85a33c35c5e1cf318110de16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c854b4bdb8e5eb45bf8bdfca5b8ce9d3d80a9c85a33c35c5e1cf318110de16b", kill_on_drop: false }`
[INFO] [stdout] 8c854b4bdb8e5eb45bf8bdfca5b8ce9d3d80a9c85a33c35c5e1cf318110de16b
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b677b1673740cb80590570fb4208e61b907b744c86fe94092d5987e45979e06
[INFO] running `Command { std: "docker" "start" "-a" "5b677b1673740cb80590570fb4208e61b907b744c86fe94092d5987e45979e06", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking web-assembler v0.1.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking nom_locate v4.0.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking webml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `traverse_string` is never used
[INFO] [stdout]    --> src/ast/util.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 3   | pub trait Traverse<Ty> {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn traverse_string(&mut self, _: Span, _value: &mut Vec<u32>) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/mir/hir2mir.rs:323:27
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     Tuple(Vec<EbbTy>),
[INFO] [stdout]     |                     ----- ^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     field in this variant
[INFO] [stdout]     |
[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] 323 |                     Tuple(()),
[INFO] [stdout]     |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `traverse_string` is never used
[INFO] [stdout]    --> src/ast/util.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 3   | pub trait Traverse<Ty> {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn traverse_string(&mut self, _: Span, _value: &mut Vec<u32>) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/mir/hir2mir.rs:323:27
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     Tuple(Vec<EbbTy>),
[INFO] [stdout]     |                     ----- ^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     field in this variant
[INFO] [stdout]     |
[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] 323 |                     Tuple(()),
[INFO] [stdout]     |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "5b677b1673740cb80590570fb4208e61b907b744c86fe94092d5987e45979e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b677b1673740cb80590570fb4208e61b907b744c86fe94092d5987e45979e06", kill_on_drop: false }`
[INFO] [stdout] 5b677b1673740cb80590570fb4208e61b907b744c86fe94092d5987e45979e06
