[INFO] fetching crate zerocopy-derive 0.2.0...
[INFO] checking zerocopy-derive-0.2.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate zerocopy-derive 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zerocopy-derive 0.2.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerocopy-derive 0.2.0
[INFO] finished tweaking crates.io crate zerocopy-derive 0.2.0
[INFO] tweaked toml for crates.io crate zerocopy-derive 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2ac44870d9ee9af70b75711f3490a277f73ac1071536718781fe4b2e127b187
[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" "a2ac44870d9ee9af70b75711f3490a277f73ac1071536718781fe4b2e127b187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ac44870d9ee9af70b75711f3490a277f73ac1071536718781fe4b2e127b187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ac44870d9ee9af70b75711f3490a277f73ac1071536718781fe4b2e127b187", kill_on_drop: false }`
[INFO] [stdout] a2ac44870d9ee9af70b75711f3490a277f73ac1071536718781fe4b2e127b187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 040d74baead2a83e4369786f039cc497b6ba5d776b95592bfaa86f8aa5e1387c
[INFO] running `Command { std: "docker" "start" "-a" "040d74baead2a83e4369786f039cc497b6ba5d776b95592bfaa86f8aa5e1387c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling compiletest_rs v0.3.22
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking synstructure v0.12.4
[INFO] [stderr]     Checking zerocopy-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.22/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | 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/836c31742687ba4e2f857b5b698e1e9e6b67619c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/836c31742687ba4e2f857b5b698e1e9e6b67619c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/836c31742687ba4e2f857b5b698e1e9e6b67619c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/836c31742687ba4e2f857b5b698e1e9e6b67619c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiletest_rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "040d74baead2a83e4369786f039cc497b6ba5d776b95592bfaa86f8aa5e1387c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040d74baead2a83e4369786f039cc497b6ba5d776b95592bfaa86f8aa5e1387c", kill_on_drop: false }`
[INFO] [stdout] 040d74baead2a83e4369786f039cc497b6ba5d776b95592bfaa86f8aa5e1387c