[INFO] crate serde_canonical 0.1.0 is already in cache
[INFO] checking serde_canonical-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate serde_canonical 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serde_canonical 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde_canonical 0.1.0
[INFO] finished tweaking crates.io crate serde_canonical 0.1.0
[INFO] tweaked toml for crates.io crate serde_canonical 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f0b57dd91b6a141602969ff57d307d9cc23f3e0c95c66398f7ca3ee033fd5866
[INFO] running `"docker" "start" "-a" "f0b57dd91b6a141602969ff57d307d9cc23f3e0c95c66398f7ca3ee033fd5866"`
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking serde_canonical v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i64` is invalid
[INFO] [stderr]    --> src/ser.rs:134:25
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 if v != (v as i64) as f32 {
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i64` is invalid
[INFO] [stderr]    --> src/ser.rs:140:47
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 itoa::write(&mut self.writer, v as i64).map_err(Error::Io)?;
[INFO] [stderr]     |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]    --> src/ser.rs:161:25
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 if v != (v as i64) as f64 {
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]    --> src/ser.rs:167:47
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 itoa::write(&mut self.writer, v as i64).map_err(Error::Io)?;
[INFO] [stderr]     |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `serde_canonical`.
[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[E0606]: casting `f32` as `i64` is invalid
[INFO] [stderr]    --> src/ser.rs:134:25
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 if v != (v as i64) as f32 {
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i64` is invalid
[INFO] [stderr]    --> src/ser.rs:140:47
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 itoa::write(&mut self.writer, v as i64).map_err(Error::Io)?;
[INFO] [stderr]     |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]    --> src/ser.rs:161:25
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 if v != (v as i64) as f64 {
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]    --> src/ser.rs:167:47
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 itoa::write(&mut self.writer, v as i64).map_err(Error::Io)?;
[INFO] [stderr]     |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `serde_canonical`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f0b57dd91b6a141602969ff57d307d9cc23f3e0c95c66398f7ca3ee033fd5866"`
[INFO] running `"docker" "rm" "-f" "f0b57dd91b6a141602969ff57d307d9cc23f3e0c95c66398f7ca3ee033fd5866"`
[INFO] [stdout] f0b57dd91b6a141602969ff57d307d9cc23f3e0c95c66398f7ca3ee033fd5866