[INFO] cloning repository https://github.com/mathhacksco/crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathhacksco/crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathhacksco%2Fcrawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathhacksco%2Fcrawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7676b19e8d2eeb5269173d27a46714f891d61f8
[INFO] checking mathhacksco/crawler against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathhacksco%2Fcrawler" "/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/mathhacksco/crawler 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/mathhacksco/crawler
[INFO] finished tweaking git repo https://github.com/mathhacksco/crawler
[INFO] tweaked toml for git repo https://github.com/mathhacksco/crawler written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mathhacksco/crawler 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicase_serde v0.1.0
[INFO] [stderr]   Downloaded url_serde v0.2.0
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded unicase v2.1.0
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[INFO] [stderr]   Downloaded tokio-codec v0.1.0
[INFO] [stderr]   Downloaded cc v1.0.23
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[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded rocket_codegen v0.3.16
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[INFO] [stderr]   Downloaded either v1.5.0
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[INFO] [stderr]   Downloaded parking_lot_core v0.3.0
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
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[INFO] [stderr]   Downloaded rocket v0.3.16
[INFO] [stderr]   Downloaded tokio-tls v0.1.4
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded pear_codegen v0.0.20
[INFO] [stderr]   Downloaded toml v0.4.6
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[INFO] [stderr]   Downloaded dotenv_codegen_impl v0.1.0
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
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[INFO] [stderr]   Downloaded rayon-core v1.4.1
[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" "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] d5c40fbb7f04280d5e76173e60212618a8a0280aa30de19841c8ebff49ba0d2e
[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" "d5c40fbb7f04280d5e76173e60212618a8a0280aa30de19841c8ebff49ba0d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c40fbb7f04280d5e76173e60212618a8a0280aa30de19841c8ebff49ba0d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c40fbb7f04280d5e76173e60212618a8a0280aa30de19841c8ebff49ba0d2e", kill_on_drop: false }`
[INFO] [stdout] d5c40fbb7f04280d5e76173e60212618a8a0280aa30de19841c8ebff49ba0d2e
[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" "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] [stdout] 2b165c54e53907bdc389f0f81e0e53bdeb8b92d66d0f24affaa76f3b571ccf1b
[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" "2b165c54e53907bdc389f0f81e0e53bdeb8b92d66d0f24affaa76f3b571ccf1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking pear v0.0.20
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking state v0.4.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling redis v0.9.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling pear_codegen v0.0.20
[INFO] [stderr]    Compiling rocket v0.3.16
[INFO] [stderr]    Compiling rocket_codegen v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking combine v3.5.1
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking libflate v0.1.16
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, rustc_private, quote)]
[INFO] [stdout]   |                                             ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rustc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: please recompile that crate using --crate-type lib
[INFO] [stdout]   = note: the following crate versions were found:
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pear_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" "2b165c54e53907bdc389f0f81e0e53bdeb8b92d66d0f24affaa76f3b571ccf1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b165c54e53907bdc389f0f81e0e53bdeb8b92d66d0f24affaa76f3b571ccf1b", kill_on_drop: false }`
[INFO] [stdout] 2b165c54e53907bdc389f0f81e0e53bdeb8b92d66d0f24affaa76f3b571ccf1b