[INFO] cloning repository https://github.com/poulad/Rustack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poulad/Rustack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoulad%2FRustack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoulad%2FRustack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f7ed00b1481121c69c4fe617639b695aa9afef2
[INFO] checking poulad/Rustack against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoulad%2FRustack" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/poulad/Rustack on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/poulad/Rustack
[INFO] finished tweaking git repo https://github.com/poulad/Rustack
[INFO] tweaked toml for git repo https://github.com/poulad/Rustack written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/poulad/Rustack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yansi v0.4.0
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded pear_codegen v0.0.19
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded untrusted v0.5.1
[INFO] [stderr]   Downloaded rocket v0.3.15
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded matches v0.1.7
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded rocket_codegen v0.3.15
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded log v0.4.4
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded pear v0.0.19
[INFO] [stderr]   Downloaded smallvec v0.6.4
[INFO] [stderr]   Downloaded state v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a14947eaf2d67e8fb3f7610723738825cc0539c3d173e510860fbfd3ae7774e
[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" "3a14947eaf2d67e8fb3f7610723738825cc0539c3d173e510860fbfd3ae7774e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a14947eaf2d67e8fb3f7610723738825cc0539c3d173e510860fbfd3ae7774e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a14947eaf2d67e8fb3f7610723738825cc0539c3d173e510860fbfd3ae7774e", kill_on_drop: false }`
[INFO] [stdout] 3a14947eaf2d67e8fb3f7610723738825cc0539c3d173e510860fbfd3ae7774e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df0b259c0f504ae2bbd02fc0a22dc42b683f839215f9f658278d75031df8b42a
[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" "df0b259c0f504ae2bbd02fc0a22dc42b683f839215f9f658278d75031df8b42a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling matches v0.1.7
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling pear v0.0.19
[INFO] [stderr]    Compiling pear_codegen v0.0.19
[INFO] [stderr]    Compiling rocket v0.3.15
[INFO] [stderr]    Compiling rocket_codegen v0.3.15
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling smallvec v0.6.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.19/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-0.0.19/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/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.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" "df0b259c0f504ae2bbd02fc0a22dc42b683f839215f9f658278d75031df8b42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0b259c0f504ae2bbd02fc0a22dc42b683f839215f9f658278d75031df8b42a", kill_on_drop: false }`
[INFO] [stdout] df0b259c0f504ae2bbd02fc0a22dc42b683f839215f9f658278d75031df8b42a