[INFO] cloning repository https://github.com/oasislabs/rust-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oasislabs/rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foasislabs%2Frust-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foasislabs%2Frust-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94232bb8b7fe2400b5dae8619ccf61878d8fb23e
[INFO] checking oasislabs/rust-demo against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foasislabs%2Frust-demo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oasislabs/rust-demo
[INFO] finished tweaking git repo https://github.com/oasislabs/rust-demo
[INFO] tweaked toml for git repo https://github.com/oasislabs/rust-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oasislabs/rust-demo on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oasislabs/rust-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.15.0
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded half v1.4.0
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] [stderr]   Downloaded blockchain-traits v0.2.2
[INFO] [stderr]   Downloaded oasis-test v0.2.1
[INFO] [stderr]   Downloaded map_vec v0.2.6
[INFO] [stderr]   Downloaded memchain v0.2.3
[INFO] [stderr]   Downloaded oasis-std v0.2.7
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded oasis-types v0.2.2
[INFO] [stderr]   Downloaded oasis-macros v0.2.2
[INFO] [stderr]   Downloaded synstructure v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d9253171f3f10c4fc180d2dc547401b89935643e4e40d9a15f4f23a72726e12
[INFO] running `Command { std: "docker" "start" "-a" "2d9253171f3f10c4fc180d2dc547401b89935643e4e40d9a15f4f23a72726e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d9253171f3f10c4fc180d2dc547401b89935643e4e40d9a15f4f23a72726e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9253171f3f10c4fc180d2dc547401b89935643e4e40d9a15f4f23a72726e12", kill_on_drop: false }`
[INFO] [stdout] 2d9253171f3f10c4fc180d2dc547401b89935643e4e40d9a15f4f23a72726e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52c1193e630f858418933d2c1df0aba55dde42bade36dec80f0e0946a9d580a4
[INFO] running `Command { std: "docker" "start" "-a" "52c1193e630f858418933d2c1df0aba55dde42bade36dec80f0e0946a9d580a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling oasis-macros v0.2.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking oasis-types v0.2.2
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking map_vec v0.2.6
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/map_vec-0.2.6/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(drain_filter, shrink_to, try_reserve)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<(K, V)>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/map_vec-0.2.6/src/map.rs:164:22
[INFO] [stdout]     |
[INFO] [stdout] 164 |         self.backing.drain_filter(|(k, ref mut v)| !f(k, v));
[INFO] [stdout]     |                      ^^^^^^^^^^^^ method not found in `Vec<(K, V)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/map_vec-0.2.6/src/set.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |         self.backing.drain_filter(|v| !f(v));
[INFO] [stdout]     |                      ^^^^^^^^^^^^ method not found in `Vec<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking blockchain-traits v0.2.2
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `map_vec` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "52c1193e630f858418933d2c1df0aba55dde42bade36dec80f0e0946a9d580a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c1193e630f858418933d2c1df0aba55dde42bade36dec80f0e0946a9d580a4", kill_on_drop: false }`
[INFO] [stdout] 52c1193e630f858418933d2c1df0aba55dde42bade36dec80f0e0946a9d580a4