[INFO] fetching crate prosto 0.6.4...
[INFO] checking prosto-0.6.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate prosto 0.6.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate prosto 0.6.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate prosto 0.6.4
[INFO] finished tweaking crates.io crate prosto 0.6.4
[INFO] tweaked toml for crates.io crate prosto 0.6.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding prost v0.9.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-derive v0.9.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-types v0.9.0 (latest: v0.12.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding zstd v0.9.2+zstd.1.5.1 (latest: v0.13.1)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (latest: v7.1.0)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (latest: v2.0.10+zstd.1.5.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d3ee22d724a2bdd326dac952eb0a200a07f81c4dd77066ee9fbc88be7d9b99d
[INFO] running `Command { std: "docker" "start" "-a" "0d3ee22d724a2bdd326dac952eb0a200a07f81c4dd77066ee9fbc88be7d9b99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3ee22d724a2bdd326dac952eb0a200a07f81c4dd77066ee9fbc88be7d9b99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3ee22d724a2bdd326dac952eb0a200a07f81c4dd77066ee9fbc88be7d9b99d", kill_on_drop: false }`
[INFO] [stdout] 0d3ee22d724a2bdd326dac952eb0a200a07f81c4dd77066ee9fbc88be7d9b99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a1a88679f507617259fcf166ac4d577d9e3d8e8533e0cca5ff96f9e427d9ae
[INFO] running `Command { std: "docker" "start" "-a" "17a1a88679f507617259fcf166ac4d577d9e3d8e8533e0cca5ff96f9e427d9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking prost v0.9.0
[INFO] [stderr]     Checking prost-types v0.9.0
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking prosto v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/compress/stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::compress::*;
[INFO] [stdout]   |     ------------------ the item `Error` is already imported here
[INFO] [stdout] 2 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/decompress/stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::decompress::*;
[INFO] [stdout]   |     -------------------- the item `Error` is already imported here
[INFO] [stdout] 2 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use compress::*;
[INFO] [stdout]   |         ^^^^^^^^^^^ the name `stream` in the type namespace is first re-exported here
[INFO] [stdout] 4 | pub use decompress::*;
[INFO] [stdout]   |         ------------- but the name `stream` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/compress/stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::compress::*;
[INFO] [stdout]   |     ------------------ the item `Error` is already imported here
[INFO] [stdout] 2 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/decompress/stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::decompress::*;
[INFO] [stdout]   |     -------------------- the item `Error` is already imported here
[INFO] [stdout] 2 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use compress::*;
[INFO] [stdout]   |         ^^^^^^^^^^^ the name `stream` in the type namespace is first re-exported here
[INFO] [stdout] 4 | pub use decompress::*;
[INFO] [stdout]   |         ------------- but the name `stream` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.86s
[INFO] running `Command { std: "docker" "inspect" "17a1a88679f507617259fcf166ac4d577d9e3d8e8533e0cca5ff96f9e427d9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a1a88679f507617259fcf166ac4d577d9e3d8e8533e0cca5ff96f9e427d9ae", kill_on_drop: false }`
[INFO] [stdout] 17a1a88679f507617259fcf166ac4d577d9e3d8e8533e0cca5ff96f9e427d9ae