[INFO] cloning repository https://github.com/2over12/rure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2over12/rure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2over12%2Frure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2over12%2Frure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c0864e32d5a87a5d067c8340ba2c9dceb65bc56
[INFO] checking 2over12/rure against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2over12%2Frure" "/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/2over12/rure on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2over12/rure
[INFO] finished tweaking git repo https://github.com/2over12/rure
[INFO] tweaked toml for git repo https://github.com/2over12/rure written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/2over12/rure already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", 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] df25be2dac17cce99ff249a272caa358921ca3e006a575b518e4b7a3a4c5f8bb
[INFO] running `Command { std: "docker" "start" "-a" "df25be2dac17cce99ff249a272caa358921ca3e006a575b518e4b7a3a4c5f8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df25be2dac17cce99ff249a272caa358921ca3e006a575b518e4b7a3a4c5f8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df25be2dac17cce99ff249a272caa358921ca3e006a575b518e4b7a3a4c5f8bb", kill_on_drop: false }`
[INFO] [stdout] df25be2dac17cce99ff249a272caa358921ca3e006a575b518e4b7a3a4c5f8bb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ce54e8889648a0ccb1db13c76510582e740e47b7fc4228ce4c79c835b3c139
[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" "16ce54e8889648a0ccb1db13c76510582e740e47b7fc4228ce4c79c835b3c139", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]    Compiling compiletest_rs v0.3.19
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking tester v0.5.0
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking rsmt2 v0.10.0
[INFO] [stderr]     Checking rure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_driver`
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rustc_driver;
[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 `rure`
[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" "16ce54e8889648a0ccb1db13c76510582e740e47b7fc4228ce4c79c835b3c139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ce54e8889648a0ccb1db13c76510582e740e47b7fc4228ce4c79c835b3c139", kill_on_drop: false }`
[INFO] [stdout] 16ce54e8889648a0ccb1db13c76510582e740e47b7fc4228ce4c79c835b3c139