[INFO] cloning repository https://github.com/1p1pd/gradebot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1p1pd/gradebot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1p1pd%2Fgradebot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1p1pd%2Fgradebot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d67d6fdd4fe5bdcbbe67334fd6083806f04f990e
[INFO] checking 1p1pd/gradebot against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1p1pd%2Fgradebot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1p1pd/gradebot 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 git repo https://github.com/1p1pd/gradebot
[INFO] finished tweaking git repo https://github.com/1p1pd/gradebot
[INFO] tweaked toml for git repo https://github.com/1p1pd/gradebot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/1p1pd/gradebot 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] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maplit v0.1.6
[INFO] [stderr]   Downloaded time v0.2.22
[INFO] [stderr]   Downloaded standback v0.2.11
[INFO] [stderr]   Downloaded term v0.2.14
[INFO] [stderr]   Downloaded time-macros v0.1.1
[INFO] [stderr]   Downloaded hyper v0.8.1
[INFO] [stderr]   Downloaded syntex_syntax v0.31.0
[INFO] [stderr]   Downloaded syntex v0.31.0
[INFO] [stderr]   Downloaded iron v0.3.1
[INFO] [stderr]   Downloaded url v0.5.10
[INFO] [stderr]   Downloaded dotenv_macros v0.8.0
[INFO] [stderr]   Downloaded dotenv_codegen v0.8.1
[INFO] [stderr]   Downloaded dotenv v0.8.0
[INFO] [stderr]   Downloaded diesel_codegen v0.6.2
[INFO] [stderr]   Downloaded pq-sys v0.2.7
[INFO] [stderr]   Downloaded handlebars-iron v0.15.3
[INFO] [stderr]   Downloaded router v0.1.1
[INFO] [stderr]   Downloaded unicode-bidi v0.2.6
[INFO] [stderr]   Downloaded handlebars v0.18.2
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded diesel v0.6.2
[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] 19e0a62b2bcc5ae161aedad586f04f0623bff6c4cd55608b9c17bad386de9805
[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" "19e0a62b2bcc5ae161aedad586f04f0623bff6c4cd55608b9c17bad386de9805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19e0a62b2bcc5ae161aedad586f04f0623bff6c4cd55608b9c17bad386de9805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e0a62b2bcc5ae161aedad586f04f0623bff6c4cd55608b9c17bad386de9805", kill_on_drop: false }`
[INFO] [stdout] 19e0a62b2bcc5ae161aedad586f04f0623bff6c4cd55608b9c17bad386de9805
[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] dfaf7a62e91717c389f8bad8c50a3b28006aad2d8e1b0bfc34c813baa7081a8f
[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" "dfaf7a62e91717c389f8bad8c50a3b28006aad2d8e1b0bfc34c813baa7081a8f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling pq-sys v0.2.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling diesel_codegen v0.6.2
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking maplit v0.1.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking diesel v0.6.2
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking dotenv v0.8.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v0.5.10
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking handlebars v0.18.2
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]    Compiling dotenv_codegen v0.8.1
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv_codegen-0.8.1/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotenv_codegen`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dfaf7a62e91717c389f8bad8c50a3b28006aad2d8e1b0bfc34c813baa7081a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfaf7a62e91717c389f8bad8c50a3b28006aad2d8e1b0bfc34c813baa7081a8f", kill_on_drop: false }`
[INFO] [stdout] dfaf7a62e91717c389f8bad8c50a3b28006aad2d8e1b0bfc34c813baa7081a8f