[INFO] fetching crate kb-remap 0.0.3...
[INFO] checking kb-remap-0.0.3 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate kb-remap 0.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kb-remap 0.0.3 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kb-remap 0.0.3
[INFO] finished tweaking crates.io crate kb-remap 0.0.3
[INFO] tweaked toml for crates.io crate kb-remap 0.0.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate kb-remap 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded line-wrap v0.1.1
[INFO] [stderr]   Downloaded plist v1.1.0
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 575c1a539feb9e3f08da31dbcd7f509f502388f16e14a934370f83b3b9776e49
[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" "575c1a539feb9e3f08da31dbcd7f509f502388f16e14a934370f83b3b9776e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "575c1a539feb9e3f08da31dbcd7f509f502388f16e14a934370f83b3b9776e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575c1a539feb9e3f08da31dbcd7f509f502388f16e14a934370f83b3b9776e49", kill_on_drop: false }`
[INFO] [stdout] 575c1a539feb9e3f08da31dbcd7f509f502388f16e14a934370f83b3b9776e49
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f5462952448a6e722b2473055b725286bc0715541805ecff9b1a0b21bf36926
[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" "5f5462952448a6e722b2473055b725286bc0715541805ecff9b1a0b21bf36926", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking plist v1.1.0
[INFO] [stderr]     Checking kb-remap v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `key::Key: Serialize` is not satisfied
[INFO] [stdout]     --> src/key.rs:174:41
[INFO] [stdout]      |
[INFO] [stdout] 174  |         let err = serde_json::to_string(&Key::Char('§')).unwrap_err();
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^ the trait `Serialize` is not implemented for `key::Key`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/ser.rs:2221:17
[INFO] [stdout]      |
[INFO] [stdout] 2221 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 --------- required by this bound in `serde_json::to_string`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kb-remap`
[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" "5f5462952448a6e722b2473055b725286bc0715541805ecff9b1a0b21bf36926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5462952448a6e722b2473055b725286bc0715541805ecff9b1a0b21bf36926", kill_on_drop: false }`
[INFO] [stdout] 5f5462952448a6e722b2473055b725286bc0715541805ecff9b1a0b21bf36926