[INFO] cloning repository https://github.com/jrvidal/explaine.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrvidal/explaine.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fexplaine.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fexplaine.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a53769764ab12a5e7ef61041cd78a8c9e5465572
[INFO] checking jrvidal/explaine.rs against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fexplaine.rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrvidal/explaine.rs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrvidal/explaine.rs
[INFO] finished tweaking git repo https://github.com/jrvidal/explaine.rs
[INFO] tweaked toml for git repo https://github.com/jrvidal/explaine.rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jrvidal/explaine.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded comrak v0.7.0
[INFO] [stderr]   Downloaded console_log v0.2.0
[INFO] [stderr]   Downloaded syn-codegen v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8d2f47fba88cbeb9521aaa7803ef2510f27595d8f6c3c275963a3d9747083a7
[INFO] running `Command { std: "docker" "start" "-a" "b8d2f47fba88cbeb9521aaa7803ef2510f27595d8f6c3c275963a3d9747083a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d2f47fba88cbeb9521aaa7803ef2510f27595d8f6c3c275963a3d9747083a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d2f47fba88cbeb9521aaa7803ef2510f27595d8f6c3c275963a3d9747083a7", kill_on_drop: false }`
[INFO] [stdout] b8d2f47fba88cbeb9521aaa7803ef2510f27595d8f6c3c275963a3d9747083a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af65ec1253958fc0cd48ee52bfd3ee1e8d0345c6d4e19bdfddbd2a598933f7f2
[INFO] running `Command { std: "docker" "start" "-a" "af65ec1253958fc0cd48ee52bfd3ee1e8d0345c6d4e19bdfddbd2a598933f7f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling comrak v0.7.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking syn-codegen v0.1.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking hints v0.1.0 (/opt/rustwide/workdir/hints)
[INFO] [stdout] error: couldn't read hints/src/../syn.json: No such file or directory (os error 2)
[INFO] [stdout]  --> hints/src/main.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SYN: &str = include_str!("../syn.json");
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read hints/src/../syn.json: No such file or directory (os error 2)
[INFO] [stdout]  --> hints/src/main.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SYN: &str = include_str!("../syn.json");
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hints`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "af65ec1253958fc0cd48ee52bfd3ee1e8d0345c6d4e19bdfddbd2a598933f7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af65ec1253958fc0cd48ee52bfd3ee1e8d0345c6d4e19bdfddbd2a598933f7f2", kill_on_drop: false }`
[INFO] [stdout] af65ec1253958fc0cd48ee52bfd3ee1e8d0345c6d4e19bdfddbd2a598933f7f2