[INFO] cloning repository https://github.com/jechase/rq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jechase/rq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjechase%2Frq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjechase%2Frq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 996709603b1d9db2574bb1b4f1d978853733e3a3
[INFO] testing jechase/rq against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjechase%2Frq" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jechase/rq on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jechase/rq
[INFO] finished tweaking git repo https://github.com/jechase/rq
[INFO] tweaked toml for git repo https://github.com/jechase/rq written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/jechase/rq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1941a1e8c424d964f6509b5a5b34b01ac4b9e3cf848f89373c1e6480ca8c92e
[INFO] running `Command { std: "docker" "start" "-a" "c1941a1e8c424d964f6509b5a5b34b01ac4b9e3cf848f89373c1e6480ca8c92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1941a1e8c424d964f6509b5a5b34b01ac4b9e3cf848f89373c1e6480ca8c92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1941a1e8c424d964f6509b5a5b34b01ac4b9e3cf848f89373c1e6480ca8c92e", kill_on_drop: false }`
[INFO] [stdout] c1941a1e8c424d964f6509b5a5b34b01ac4b9e3cf848f89373c1e6480ca8c92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f442f1ffdd4828373242cadb04a229dc33ce30475c5610d458c8bda9d38c602
[INFO] running `Command { std: "docker" "start" "-a" "3f442f1ffdd4828373242cadb04a229dc33ce30475c5610d458c8bda9d38c602", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.1.8
[INFO] [stderr]    Compiling winapi-build v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.9
[INFO] [stderr]    Compiling pkg-config v0.3.5
[INFO] [stderr]    Compiling traitobject v0.0.3
[INFO] [stderr]    Compiling winapi v0.2.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.15
[INFO] [stderr]    Compiling matches v0.1.2
[INFO] [stderr]    Compiling bitflags v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.1.12
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling httparse v0.1.5
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling language-tags v0.0.7
[INFO] [stderr]    Compiling unicase v0.1.0
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr]    Compiling db-key v0.0.5
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling error v0.1.7
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling log v0.3.1
[INFO] [stderr]    Compiling num_cpus v0.2.6
[INFO] [stderr]    Compiling leveldb v0.7.1 (https://github.com/skade/leveldb.git#1003f27c)
[INFO] [stderr]    Compiling kernel32-sys v0.1.3
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.0.12
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:201:41
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Result`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `K: Key` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/leveldb-5db7c42b873815d7/1003f27/src/database/snapshots.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |   fn snapshot<'a>(&'a self) -> Snapshot<'a, K>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ the trait `Key` is not implemented for `K`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Snapshot`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/leveldb-5db7c42b873815d7/1003f27/src/database/snapshots.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Snapshot<'a, K: Key + 'a> {
[INFO] [stdout]    |                            ^^^ required by this bound in `Snapshot`
[INFO] [stdout] help: consider restricting type parameter `K`
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub trait Snapshots<K: database::key::Key> {
[INFO] [stdout]    |                      ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 3 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3f442f1ffdd4828373242cadb04a229dc33ce30475c5610d458c8bda9d38c602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f442f1ffdd4828373242cadb04a229dc33ce30475c5610d458c8bda9d38c602", kill_on_drop: false }`
[INFO] [stdout] 3f442f1ffdd4828373242cadb04a229dc33ce30475c5610d458c8bda9d38c602