[INFO] fetching crate xlog 0.2.2...
[INFO] checking xlog-0.2.2 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate xlog 0.2.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate xlog 0.2.2 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xlog 0.2.2
[INFO] finished tweaking crates.io crate xlog 0.2.2
[INFO] tweaked toml for crates.io crate xlog 0.2.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--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 async-log-attributes v1.0.1
[INFO] [stderr]   Downloaded async-log v1.1.0
[INFO] [stderr]   Downloaded femme v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b147c63893e10f84c0eb4f19b3970e2a5f90cb384a8c6ecc53d320c8066add15
[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" "b147c63893e10f84c0eb4f19b3970e2a5f90cb384a8c6ecc53d320c8066add15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b147c63893e10f84c0eb4f19b3970e2a5f90cb384a8c6ecc53d320c8066add15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b147c63893e10f84c0eb4f19b3970e2a5f90cb384a8c6ecc53d320c8066add15", kill_on_drop: false }`
[INFO] [stdout] b147c63893e10f84c0eb4f19b3970e2a5f90cb384a8c6ecc53d320c8066add15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c26b6efa94b5d9323cbef0fc8d369ae03d042a838a73efe29b9ef967348091d
[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" "7c26b6efa94b5d9323cbef0fc8d369ae03d042a838a73efe29b9ef967348091d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking xlog v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]     Checking async-log v1.1.0
[INFO] [stderr]     Checking femme v1.3.0
[INFO] [stdout] error[E0277]: the trait bound `String: ToValue` is not satisfied
[INFO] [stdout]   --> tests/test_macros.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     trace!("msg", error = anyhow::anyhow!("haha").to_string());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `ToValue` is not implemented for `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast to the object type `dyn ToValue`
[INFO] [stdout]    = note: this error originates in the macro `xlog::msg_and_kvs` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `xlog`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7c26b6efa94b5d9323cbef0fc8d369ae03d042a838a73efe29b9ef967348091d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c26b6efa94b5d9323cbef0fc8d369ae03d042a838a73efe29b9ef967348091d", kill_on_drop: false }`
[INFO] [stdout] 7c26b6efa94b5d9323cbef0fc8d369ae03d042a838a73efe29b9ef967348091d