[INFO] fetching crate cerk_loader_file 0.2.8...
[INFO] testing cerk_loader_file-0.2.8 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate cerk_loader_file 0.2.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cerk_loader_file 0.2.8 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cerk_loader_file 0.2.8
[INFO] finished tweaking crates.io crate cerk_loader_file 0.2.8
[INFO] tweaked toml for crates.io crate cerk_loader_file 0.2.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99f42a3e2989726944f93989aed46d6b73b6794d712b552ae1c6f5807396611b
[INFO] running `Command { std: "docker" "start" "-a" "99f42a3e2989726944f93989aed46d6b73b6794d712b552ae1c6f5807396611b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99f42a3e2989726944f93989aed46d6b73b6794d712b552ae1c6f5807396611b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f42a3e2989726944f93989aed46d6b73b6794d712b552ae1c6f5807396611b", kill_on_drop: false }`
[INFO] [stdout] 99f42a3e2989726944f93989aed46d6b73b6794d712b552ae1c6f5807396611b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4effc4302ee29435f81d58e7eac6058317bb429cb7d52683745e3d40f302d18d
[INFO] running `Command { std: "docker" "start" "-a" "4effc4302ee29435f81d58e7eac6058317bb429cb7d52683745e3d40f302d18d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cerk v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cerk-0.2.11/src/kernel/config.rs:2:12
[INFO] [stdout]     |
[INFO] [stdout] 2   | use serde::export::TryFrom;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cerk` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4effc4302ee29435f81d58e7eac6058317bb429cb7d52683745e3d40f302d18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4effc4302ee29435f81d58e7eac6058317bb429cb7d52683745e3d40f302d18d", kill_on_drop: false }`
[INFO] [stdout] 4effc4302ee29435f81d58e7eac6058317bb429cb7d52683745e3d40f302d18d