[INFO] fetching crate eligos 0.1.0...
[INFO] checking eligos-0.1.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate eligos 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate eligos 0.1.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eligos 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate eligos 0.1.0
[INFO] tweaked toml for crates.io crate eligos 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--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]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.1.1 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.2.11 (latest: v1.6.0)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding libc v0.1.12 (latest: v0.2.155)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding mio v0.4.4 (latest: v0.8.11)
[INFO] [stderr]       Adding nix v0.3.10 (latest: v0.29.0)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding slab v0.1.3 (latest: v0.4.9)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.1.23 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.2.11
[INFO] [stderr]   Downloaded winapi v0.1.23
[INFO] [stderr]   Downloaded mio v0.4.4
[INFO] [stderr]   Downloaded nix v0.3.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ac6f73b6af57d2e42f9b3dfce13b5d3842fbde779b6ef55de9ea02171e298c3
[INFO] running `Command { std: "docker" "start" "-a" "3ac6f73b6af57d2e42f9b3dfce13b5d3842fbde779b6ef55de9ea02171e298c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac6f73b6af57d2e42f9b3dfce13b5d3842fbde779b6ef55de9ea02171e298c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac6f73b6af57d2e42f9b3dfce13b5d3842fbde779b6ef55de9ea02171e298c3", kill_on_drop: false }`
[INFO] [stdout] 3ac6f73b6af57d2e42f9b3dfce13b5d3842fbde779b6ef55de9ea02171e298c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f010fb156a044b82c480477101a233ac8846293dbdf9cd6e39eecd128632943
[INFO] running `Command { std: "docker" "start" "-a" "6f010fb156a044b82c480477101a233ac8846293dbdf9cd6e39eecd128632943", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking bytes v0.2.11
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking winapi v0.1.23
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking nix v0.3.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mio v0.4.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking eligos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the size for values of type `Out` cannot be known at compilation time
[INFO] [stdout]  --> src/codec/mod.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Codec<In: ?Sized, Out: ?Sized> {
[INFO] [stdout]   |                             --- this type parameter needs to be `Sized`
[INFO] [stdout] 7 |     fn decode(&mut self, buf: &mut In) -> Vec<Out>;
[INFO] [stdout]   |                                           ^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]   |
[INFO] [stdout] note: required by an implicit `Sized` bound in `Vec`
[INFO] [stdout]  --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/alloc/src/vec/mod.rs:398:1
[INFO] [stdout] help: consider removing the `?Sized` bound to make the type parameter `Sized`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub trait Codec<In: ?Sized, Out: ?Sized> {
[INFO] [stdout] 6 + pub trait Codec<In: ?Sized, Out> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eligos` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6f010fb156a044b82c480477101a233ac8846293dbdf9cd6e39eecd128632943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f010fb156a044b82c480477101a233ac8846293dbdf9cd6e39eecd128632943", kill_on_drop: false }`
[INFO] [stdout] 6f010fb156a044b82c480477101a233ac8846293dbdf9cd6e39eecd128632943