[INFO] crate concorde 0.2.0 is already in cache
[INFO] checking concorde-0.2.0 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate concorde 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate concorde 0.2.0 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate concorde 0.2.0
[INFO] finished tweaking crates.io crate concorde 0.2.0
[INFO] tweaked toml for crates.io crate concorde 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "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" "+1a399c10897767c36d147199696c96f193034e49" "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=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" "+1a399c10897767c36d147199696c96f193034e49" "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] e21af304e78b2a3c66b13c8fe41779fa70cde6dc120765b3399a0bce4024e4fc
[INFO] running `"docker" "start" "-a" "e21af304e78b2a3c66b13c8fe41779fa70cde6dc120765b3399a0bce4024e4fc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking pergola v0.5.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking piper v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.10
[INFO] [stderr]     Checking async-std v1.6.0
[INFO] [stderr]     Checking concorde v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:440:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |         match self.receiver.recv().await {
[INFO] [stderr]     |               -------------------------- this expression has type `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 440 |             None => Err(Error::Disconnected),
[INFO] [stderr]     |             ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |         match self.receiver.recv().await {
[INFO] [stderr]     |               -------------------------- this expression has type `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 440 |             None => Err(Error::Disconnected),
[INFO] [stderr] 441 |             Some(msg) => {
[INFO] [stderr]     |             ^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:485:21
[INFO] [stderr]     |
[INFO] [stderr] 484 |                 match self.receiver.recv().await {
[INFO] [stderr]     |                       -------------------------- this expression has type `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 485 |                     None => connected = false,
[INFO] [stderr]     |                     ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:486:21
[INFO] [stderr]     |
[INFO] [stderr] 484 |                 match self.receiver.recv().await {
[INFO] [stderr]     |                       -------------------------- this expression has type `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 485 |                     None => connected = false,
[INFO] [stderr] 486 |                     Some(msg) => self.receive(&msg).await,
[INFO] [stderr]     |                     ^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:440:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |         match self.receiver.recv().await {
[INFO] [stderr]     |               -------------------------- this expression has type `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 440 |             None => Err(Error::Disconnected),
[INFO] [stderr]     |             ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |         match self.receiver.recv().await {
[INFO] [stderr]     |               -------------------------- this expression has type `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 440 |             None => Err(Error::Disconnected),
[INFO] [stderr] 441 |             Some(msg) => {
[INFO] [stderr]     |             ^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:485:21
[INFO] [stderr]     |
[INFO] [stderr] 484 |                 match self.receiver.recv().await {
[INFO] [stderr]     |                       -------------------------- this expression has type `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 485 |                     None => connected = false,
[INFO] [stderr]     |                     ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:486:21
[INFO] [stderr]     |
[INFO] [stderr] 484 |                 match self.receiver.recv().await {
[INFO] [stderr]     |                       -------------------------- this expression has type `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr] 485 |                     None => connected = false,
[INFO] [stderr] 486 |                     Some(msg) => self.receive(&msg).await,
[INFO] [stderr]     |                     ^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<ObjLD, Peer>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:597:27
[INFO] [stderr]     |
[INFO] [stderr] 593 |             match next {
[INFO] [stderr]     |                   ---- this expression has type `std::option::Option<(std::string::String, std::result::Result<Message<pergola::latticedef::MaxDef<u16>, std::string::String>, async_std::sync::channel::RecvError>)>`
[INFO] [stderr] ...
[INFO] [stderr] 597 |                 Some((id, None)) => {
[INFO] [stderr]     |                           ^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<pergola::latticedef::MaxDef<u16>, std::string::String>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:600:26
[INFO] [stderr]     |
[INFO] [stderr] 593 |             match next {
[INFO] [stderr]     |                   ---- this expression has type `std::option::Option<(std::string::String, std::result::Result<Message<pergola::latticedef::MaxDef<u16>, std::string::String>, async_std::sync::channel::RecvError>)>`
[INFO] [stderr] ...
[INFO] [stderr] 600 |                 Some((_, Some(msg))) => {
[INFO] [stderr]     |                          ^^^^^^^^^ expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<Message<pergola::latticedef::MaxDef<u16>, std::string::String>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `concorde`.
[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: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e21af304e78b2a3c66b13c8fe41779fa70cde6dc120765b3399a0bce4024e4fc"`
[INFO] running `"docker" "rm" "-f" "e21af304e78b2a3c66b13c8fe41779fa70cde6dc120765b3399a0bce4024e4fc"`
[INFO] [stdout] e21af304e78b2a3c66b13c8fe41779fa70cde6dc120765b3399a0bce4024e4fc