[INFO] crate easy-jsonrpc-mw 0.5.4 is already in cache [INFO] checking easy-jsonrpc-mw-0.5.4 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852 [INFO] extracting crate easy-jsonrpc-mw 0.5.4 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate easy-jsonrpc-mw 0.5.4 on toolchain e922e6444795ab795fab1943288aee3d543699b8 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate easy-jsonrpc-mw 0.5.4 [INFO] finished tweaking crates.io crate easy-jsonrpc-mw 0.5.4 [INFO] tweaked toml for crates.io crate easy-jsonrpc-mw 0.5.4 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate easy-jsonrpc-mw 0.5.4 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] 10733ef72bbae780c4f041291453b992c60f6ca352484cf507dde45d8bc6aa0b [INFO] running `"docker" "start" "-a" "10733ef72bbae780c4f041291453b992c60f6ca352484cf507dde45d8bc6aa0b"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling getrandom v0.1.10 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking safemem v0.3.2 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking urlencoding v1.0.0 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Compiling openssl-sys v0.9.49 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking miniz_oxide v0.3.2 [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From<()>` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From<()>` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error[E0277]: `?` couldn't convert the error to `char::TryFromIntToCharError` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:39 [INFO] [stderr] | [INFO] [stderr] 56 | match u32::try_from(n)? { [INFO] [stderr] | ^ the trait `std::convert::From` is not implemented for `char::TryFromIntToCharError` [INFO] [stderr] ... [INFO] [stderr] 68 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize); [INFO] [stderr] | ------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stderr] = help: the following implementations were found: [INFO] [stderr] > [INFO] [stderr] > [INFO] [stderr] = note: required by `std::convert::From::from` [INFO] [stderr] [INFO] [stderr] error: aborting due to 9 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `try_from`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "10733ef72bbae780c4f041291453b992c60f6ca352484cf507dde45d8bc6aa0b"` [INFO] running `"docker" "rm" "-f" "10733ef72bbae780c4f041291453b992c60f6ca352484cf507dde45d8bc6aa0b"` [INFO] [stdout] 10733ef72bbae780c4f041291453b992c60f6ca352484cf507dde45d8bc6aa0b