[INFO] fetching crate keybase-protocol 0.2.0...
[INFO] checking keybase-protocol-0.2.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate keybase-protocol 0.2.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate keybase-protocol 0.2.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keybase-protocol 0.2.0
[INFO] finished tweaking crates.io crate keybase-protocol 0.2.0
[INFO] tweaked toml for crates.io crate keybase-protocol 0.2.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4176baf47d7d640e7a0c4dd929a61dbdae6930d81ae9c5e820be5a3abcda7e6
[INFO] running `Command { std: "docker" "start" "-a" "c4176baf47d7d640e7a0c4dd929a61dbdae6930d81ae9c5e820be5a3abcda7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4176baf47d7d640e7a0c4dd929a61dbdae6930d81ae9c5e820be5a3abcda7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4176baf47d7d640e7a0c4dd929a61dbdae6930d81ae9c5e820be5a3abcda7e6", kill_on_drop: false }`
[INFO] [stdout] c4176baf47d7d640e7a0c4dd929a61dbdae6930d81ae9c5e820be5a3abcda7e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1aa9696dc38ca06a1cd59690e8c20e73126ae62e89e6b9be8a02f86e3bf3174
[INFO] running `Command { std: "docker" "start" "-a" "b1aa9696dc38ca06a1cd59690e8c20e73126ae62e89e6b9be8a02f86e3bf3174", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling avdl-serde-code-generator v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]    Compiling keybase-protocol v0.2.0 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling keybase-protocol v0.2.0 (/tmp/fixit)
[INFO] [stderr] error: could not compile `keybase-protocol`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name keybase_protocol --edition=2021 -Z unstable-options src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=6ac90060a0890253 -C extra-filename=-6ac90060a0890253 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-f54e76f6cf5c8237.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-37173eed9692a6e0.rmeta --extern serde_repr=/opt/rustwide/target/debug/deps/libserde_repr-b865a463b3aca5c6.so --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "b1aa9696dc38ca06a1cd59690e8c20e73126ae62e89e6b9be8a02f86e3bf3174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1aa9696dc38ca06a1cd59690e8c20e73126ae62e89e6b9be8a02f86e3bf3174", kill_on_drop: false }`
[INFO] [stdout] b1aa9696dc38ca06a1cd59690e8c20e73126ae62e89e6b9be8a02f86e3bf3174