[INFO] fetching crate constriction 0.2.4...
[INFO] checking constriction-0.2.4 against try#e61be1c89a2b3fd02452eef3c6186592711e4772 for pr-98456
[INFO] extracting crate constriction 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate constriction 0.2.4 on toolchain e61be1c89a2b3fd02452eef3c6186592711e4772
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate constriction 0.2.4
[INFO] finished tweaking crates.io crate constriction 0.2.4
[INFO] tweaked toml for crates.io crate constriction 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbea5dd1ea797d7e4d1fc395ba221ab36d04cf7ecc778fc840c7dbcf99b540bd
[INFO] running `Command { std: "docker" "start" "-a" "cbea5dd1ea797d7e4d1fc395ba221ab36d04cf7ecc778fc840c7dbcf99b540bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbea5dd1ea797d7e4d1fc395ba221ab36d04cf7ecc778fc840c7dbcf99b540bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbea5dd1ea797d7e4d1fc395ba221ab36d04cf7ecc778fc840c7dbcf99b540bd", kill_on_drop: false }`
[INFO] [stdout] cbea5dd1ea797d7e4d1fc395ba221ab36d04cf7ecc778fc840c7dbcf99b540bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8beb1713b053788ef30d7a4c2036781a6e47b500abe8835fec485838a0858b34
[INFO] running `Command { std: "docker" "start" "-a" "8beb1713b053788ef30d7a4c2036781a6e47b500abe8835fec485838a0858b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]     Checking constriction v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/symbol/mod.rs:238:15
[INFO] [stdout]     |
[INFO] [stdout] 238 |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `B` declared on the struct `SymbolCoder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/symbol/mod.rs:251:15
[INFO] [stdout]     |
[INFO] [stdout] 251 |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `B`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: core::default::Default`
[INFO] [stdout] note: required because of the requirements on the impl of `core::default::Default` for `SymbolCoder<Word, Queue, _>`
[INFO] [stdout]    --> src/symbol/mod.rs:160:39
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Clone, PartialEq, Eq, Debug, Default)]
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `constriction` due to 4 previous errors
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/symbol/mod.rs:335:15
[INFO] [stdout]     |
[INFO] [stdout] 335 |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `B`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: core::default::Default`
[INFO] [stdout] note: required because of the requirements on the impl of `core::default::Default` for `SymbolCoder<Word, Queue, _>`
[INFO] [stdout]    --> src/symbol/mod.rs:160:39
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Clone, PartialEq, Eq, Debug, Default)]
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0283.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8beb1713b053788ef30d7a4c2036781a6e47b500abe8835fec485838a0858b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8beb1713b053788ef30d7a4c2036781a6e47b500abe8835fec485838a0858b34", kill_on_drop: false }`
[INFO] [stdout] 8beb1713b053788ef30d7a4c2036781a6e47b500abe8835fec485838a0858b34