[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#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fexplaine.rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrvidal/explaine.rs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-3/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-codegen v0.1.0
[INFO] [stderr]   Downloaded comrak v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf03390f6f84ac131c264d9ac2873f850bcffd4fb02a374ee252f1867ace4c66
[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" "bf03390f6f84ac131c264d9ac2873f850bcffd4fb02a374ee252f1867ace4c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf03390f6f84ac131c264d9ac2873f850bcffd4fb02a374ee252f1867ace4c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf03390f6f84ac131c264d9ac2873f850bcffd4fb02a374ee252f1867ace4c66", kill_on_drop: false }`
[INFO] [stdout] bf03390f6f84ac131c264d9ac2873f850bcffd4fb02a374ee252f1867ace4c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e8f8cf6c6f990433d16a9e64014edc2e294d9c72389ddb3d2c75a3f2005eff5
[INFO] running `Command { std: "docker" "start" "-a" "4e8f8cf6c6f990433d16a9e64014edc2e294d9c72389ddb3d2c75a3f2005eff5", 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 lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[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 semver-parser v0.7.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling bitflags v1.2.1
[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]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling pest_meta v2.1.3
[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]    Compiling toml v0.5.7
[INFO] [stderr]     Checking syn-codegen v0.1.0
[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 a macro (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 a macro (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" "4e8f8cf6c6f990433d16a9e64014edc2e294d9c72389ddb3d2c75a3f2005eff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8f8cf6c6f990433d16a9e64014edc2e294d9c72389ddb3d2c75a3f2005eff5", kill_on_drop: false }`
[INFO] [stdout] 4e8f8cf6c6f990433d16a9e64014edc2e294d9c72389ddb3d2c75a3f2005eff5