[INFO] fetching crate libsdp 0.1.2...
[INFO] testing libsdp-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libsdp 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libsdp 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsdp 0.1.2
[INFO] finished tweaking crates.io crate libsdp 0.1.2
[INFO] tweaked toml for crates.io crate libsdp 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7abf682be66207b25e9da6a1892fcd4fe9e946bcc8a15676def76d0c37ef1e3c
[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" "7abf682be66207b25e9da6a1892fcd4fe9e946bcc8a15676def76d0c37ef1e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7abf682be66207b25e9da6a1892fcd4fe9e946bcc8a15676def76d0c37ef1e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abf682be66207b25e9da6a1892fcd4fe9e946bcc8a15676def76d0c37ef1e3c", kill_on_drop: false }`
[INFO] [stdout] 7abf682be66207b25e9da6a1892fcd4fe9e946bcc8a15676def76d0c37ef1e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fec57dfef0ada3ce8ace0c71d02f4291d11ea7123d00375dfdbd2f6dd5f84de9
[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" "fec57dfef0ada3ce8ace0c71d02f4291d11ea7123d00375dfdbd2f6dd5f84de9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling libsdp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `nom::Err<nom::error::Error<&[u8]>>`
[INFO] [stdout]   --> src/media/parse.rs:47:55
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn parse_media(input: &[u8]) -> IResult<&[u8], SdpMedia> {
[INFO] [stdout]    |                                     ------------------------ expected `nom::Err<nom::error::Error<&[u8]>>` because of this
[INFO] [stdout] ...
[INFO] [stdout] 47 |     let (input, formats) = parse_attribute_list(input)?;
[INFO] [stdout]    |                                                       ^ the trait `From<nom::Err<(&[u8], nom::error::ErrorKind)>>` is not implemented for `nom::Err<nom::error::Error<&[u8]>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `nom::Err<nom::error::Error<&[u8]>>`
[INFO] [stdout]   --> src/offer.rs:23:61
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn parse_sdp_offer(input: &[u8]) -> IResult<&[u8], SdpOffer> {
[INFO] [stdout]    |                                         ------------------------ expected `nom::Err<nom::error::Error<&[u8]>>` because of this
[INFO] [stdout] ...
[INFO] [stdout] 23 |     let (input, optional) = parse_optional_attributes(input)?;
[INFO] [stdout]    |                                                             ^ the trait `From<nom::Err<(&[u8], nom::error::ErrorKind)>>` is not implemented for `nom::Err<nom::error::Error<&[u8]>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `nom::Err<nom::error::Error<&[u8]>>`
[INFO] [stdout]   --> src/offer.rs:24:61
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn parse_sdp_offer(input: &[u8]) -> IResult<&[u8], SdpOffer> {
[INFO] [stdout]    |                                         ------------------------ expected `nom::Err<nom::error::Error<&[u8]>>` because of this
[INFO] [stdout] ...
[INFO] [stdout] 24 |     let (input, attributes) = parse_global_attributes(input)?;
[INFO] [stdout]    |                                                             ^ the trait `From<nom::Err<(&[u8], nom::error::ErrorKind)>>` is not implemented for `nom::Err<nom::error::Error<&[u8]>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `nom::Err<nom::error::Error<&[u8]>>`
[INFO] [stdout]   --> src/offer.rs:25:50
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn parse_sdp_offer(input: &[u8]) -> IResult<&[u8], SdpOffer> {
[INFO] [stdout]    |                                         ------------------------ expected `nom::Err<nom::error::Error<&[u8]>>` because of this
[INFO] [stdout] ...
[INFO] [stdout] 25 |     let (input, media) = parse_media_lines(input)?;
[INFO] [stdout]    |                                                  ^ the trait `From<nom::Err<(&[u8], nom::error::ErrorKind)>>` is not implemented for `nom::Err<nom::error::Error<&[u8]>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsdp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fec57dfef0ada3ce8ace0c71d02f4291d11ea7123d00375dfdbd2f6dd5f84de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec57dfef0ada3ce8ace0c71d02f4291d11ea7123d00375dfdbd2f6dd5f84de9", kill_on_drop: false }`
[INFO] [stdout] fec57dfef0ada3ce8ace0c71d02f4291d11ea7123d00375dfdbd2f6dd5f84de9