[INFO] fetching crate cerk_port_health_check_http 0.2.11...
[INFO] checking cerk_port_health_check_http-0.2.11 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate cerk_port_health_check_http 0.2.11 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cerk_port_health_check_http 0.2.11 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cerk_port_health_check_http 0.2.11
[INFO] finished tweaking crates.io crate cerk_port_health_check_http 0.2.11
[INFO] tweaked toml for crates.io crate cerk_port_health_check_http 0.2.11 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dda57204183ade526c5b20ba9e72bb3d4ac69f18980349c123280c2f4a72f09
[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" "8dda57204183ade526c5b20ba9e72bb3d4ac69f18980349c123280c2f4a72f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dda57204183ade526c5b20ba9e72bb3d4ac69f18980349c123280c2f4a72f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dda57204183ade526c5b20ba9e72bb3d4ac69f18980349c123280c2f4a72f09", kill_on_drop: false }`
[INFO] [stdout] 8dda57204183ade526c5b20ba9e72bb3d4ac69f18980349c123280c2f4a72f09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] e3709656ffeb47e88df426574c61c1771b1d74f216ea3320c03418cca2c41f2e
[INFO] running `Command { std: "docker" "start" "-a" "e3709656ffeb47e88df426574c61c1771b1d74f216ea3320c03418cca2c41f2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling delegate-attr v0.2.9
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking cloudevents-sdk v0.3.1
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking cerk v0.2.11
[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-1.0.126/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`
[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" "e3709656ffeb47e88df426574c61c1771b1d74f216ea3320c03418cca2c41f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3709656ffeb47e88df426574c61c1771b1d74f216ea3320c03418cca2c41f2e", kill_on_drop: false }`
[INFO] [stdout] e3709656ffeb47e88df426574c61c1771b1d74f216ea3320c03418cca2c41f2e