[INFO] fetching crate cerk_port_mqtt 0.2.11...
[INFO] checking cerk_port_mqtt-0.2.11 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate cerk_port_mqtt 0.2.11 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate cerk_port_mqtt 0.2.11
[INFO] finished tweaking crates.io crate cerk_port_mqtt 0.2.11
[INFO] tweaked toml for crates.io crate cerk_port_mqtt 0.2.11 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cerk_port_mqtt 0.2.11 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 137 packages to latest compatible versions
[INFO] [stderr]       Adding cloudevents-sdk v0.3.1 (available: v0.9.0)
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.10)
[INFO] [stderr]       Adding paho-mqtt v0.6.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded paho-mqtt v0.6.0
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded cerk v0.2.11
[INFO] [stderr]   Downloaded strum_macros v0.19.4
[INFO] [stderr]   Downloaded cloudevents-sdk v0.3.1
[INFO] [stderr]   Downloaded futures-timer v0.1.1
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded delegate-attr v0.2.9
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded paho-mqtt-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9db20db1e610f8e193a1971202d8479224492b6a7e972eb29fc3f399bc3fc529
[INFO] running `Command { std: "docker" "start" "-a" "9db20db1e610f8e193a1971202d8479224492b6a7e972eb29fc3f399bc3fc529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9db20db1e610f8e193a1971202d8479224492b6a7e972eb29fc3f399bc3fc529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db20db1e610f8e193a1971202d8479224492b6a7e972eb29fc3f399bc3fc529", kill_on_drop: false }`
[INFO] [stdout] 9db20db1e610f8e193a1971202d8479224492b6a7e972eb29fc3f399bc3fc529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e3eb5e23a5b54f2f5436a3794a10ada997b55d07c2cae3d6a7c227dbd9925cb
[INFO] running `Command { std: "docker" "start" "-a" "4e3eb5e23a5b54f2f5436a3794a10ada997b55d07c2cae3d6a7c227dbd9925cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[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 backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking cloudevents-sdk v0.3.1
[INFO] [stderr]     Checking cerk v0.2.11
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cerk-0.2.11/src/kernel/config.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::export::TryFrom;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cerk-0.2.11/src/kernel/config.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 28 -     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout] 28 +     fn try_from(value: &Config) -> Result<Self, <u8 as TryFrom>::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 28 -     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout] 28 +     fn try_from(value: &Config) -> Result<Self, <u8 as TryInto>::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cerk-0.2.11/src/kernel/config.rs:38:49
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 38 -     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout] 38 +     fn try_from(value: &Config) -> Result<Self, <u32 as TryFrom>::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 38 -     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout] 38 +     fn try_from(value: &Config) -> Result<Self, <u32 as TryInto>::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cerk-0.2.11/src/kernel/config.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]    |
[INFO] [stdout] 59 -     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout] 59 +     fn try_from(value: &Config) -> Result<Self, <Vec<Config> as TryFrom>::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 59 -     fn try_from(value: &Config) -> Result<Self, Self::Error> {
[INFO] [stdout] 59 +     fn try_from(value: &Config) -> Result<Self, <Vec<Config> as TryInto>::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cerk` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4e3eb5e23a5b54f2f5436a3794a10ada997b55d07c2cae3d6a7c227dbd9925cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3eb5e23a5b54f2f5436a3794a10ada997b55d07c2cae3d6a7c227dbd9925cb", kill_on_drop: false }`
[INFO] [stdout] 4e3eb5e23a5b54f2f5436a3794a10ada997b55d07c2cae3d6a7c227dbd9925cb