[INFO] crate cbor-no-std 0.3.0 is already in cache
[INFO] checking cbor-no-std-0.3.0 against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063
[INFO] extracting crate cbor-no-std 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cbor-no-std 0.3.0 on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cbor-no-std 0.3.0
[INFO] finished tweaking crates.io crate cbor-no-std 0.3.0
[INFO] tweaked toml for crates.io crate cbor-no-std 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=allow" "-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" "+8810c24b0958114d8dbb32d878444e8956fce80f" "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] 735103497fd95897df12baf0dd0ea61ac91d9c80d3fae368888a6b9f66ce849f
[INFO] running `"docker" "start" "-a" "735103497fd95897df12baf0dd0ea61ac91d9c80d3fae368888a6b9f66ce849f"`
[INFO] [stderr]     Checking cbor-no-std v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(lang_items, alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(lang_items, alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `cbor-no-std`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `value::Value: std::convert::From<&str>` is not satisfied
[INFO] [stderr]    --> src/de.rs:126:28
[INFO] [stderr]     |
[INFO] [stderr] 126 |     test_map.insert("key1".into(), Value::String("value1".into()));
[INFO] [stderr]     |                            ^^^^ the trait `std::convert::From<&str>` is not implemented for `value::Value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <value::Value as std::convert::From<()>>
[INFO] [stderr]               <value::Value as std::convert::From<std::collections::BTreeMap<value::Value, value::Value>>>
[INFO] [stderr]               <value::Value as std::convert::From<std::vec::Vec<u8>>>
[INFO] [stderr]               <value::Value as std::convert::From<u32>>
[INFO] [stderr]               <value::Value as std::convert::From<u64>>
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<value::Value>` for `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `value::Value: std::convert::From<&str>` is not satisfied
[INFO] [stderr]    --> src/de.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     test_map.insert("key2".into(), Value::String("value2".into()));
[INFO] [stderr]     |                            ^^^^ the trait `std::convert::From<&str>` is not implemented for `value::Value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <value::Value as std::convert::From<()>>
[INFO] [stderr]               <value::Value as std::convert::From<std::collections::BTreeMap<value::Value, value::Value>>>
[INFO] [stderr]               <value::Value as std::convert::From<std::vec::Vec<u8>>>
[INFO] [stderr]               <value::Value as std::convert::From<u32>>
[INFO] [stderr]               <value::Value as std::convert::From<u64>>
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<value::Value>` for `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `value::Value: std::convert::From<&str>` is not satisfied
[INFO] [stderr]    --> src/ser.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |     test_map.insert("key1".into(), Value::String("value1".into()));
[INFO] [stderr]     |                            ^^^^ the trait `std::convert::From<&str>` is not implemented for `value::Value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <value::Value as std::convert::From<()>>
[INFO] [stderr]               <value::Value as std::convert::From<std::collections::BTreeMap<value::Value, value::Value>>>
[INFO] [stderr]               <value::Value as std::convert::From<std::vec::Vec<u8>>>
[INFO] [stderr]               <value::Value as std::convert::From<u32>>
[INFO] [stderr]               <value::Value as std::convert::From<u64>>
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<value::Value>` for `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `value::Value: std::convert::From<&str>` is not satisfied
[INFO] [stderr]    --> src/ser.rs:133:28
[INFO] [stderr]     |
[INFO] [stderr] 133 |     test_map.insert("key2".into(), Value::String("value2".into()));
[INFO] [stderr]     |                            ^^^^ the trait `std::convert::From<&str>` is not implemented for `value::Value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <value::Value as std::convert::From<()>>
[INFO] [stderr]               <value::Value as std::convert::From<std::collections::BTreeMap<value::Value, value::Value>>>
[INFO] [stderr]               <value::Value as std::convert::From<std::vec::Vec<u8>>>
[INFO] [stderr]               <value::Value as std::convert::From<u32>>
[INFO] [stderr]               <value::Value as std::convert::From<u64>>
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<value::Value>` for `&str`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `cbor-no-std`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "735103497fd95897df12baf0dd0ea61ac91d9c80d3fae368888a6b9f66ce849f"`
[INFO] running `"docker" "rm" "-f" "735103497fd95897df12baf0dd0ea61ac91d9c80d3fae368888a6b9f66ce849f"`
[INFO] [stdout] 735103497fd95897df12baf0dd0ea61ac91d9c80d3fae368888a6b9f66ce849f