[INFO] fetching crate fast_rsync 0.1.3...
[INFO] checking fast_rsync-0.1.3 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate fast_rsync 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fast_rsync 0.1.3 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast_rsync 0.1.3
[INFO] finished tweaking crates.io crate fast_rsync 0.1.3
[INFO] tweaked toml for crates.io crate fast_rsync 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a0a6957e32503eb02d954112619df838291e4e629be54e78480b65e716892b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a0a6957e32503eb02d954112619df838291e4e629be54e78480b65e716892b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a0a6957e32503eb02d954112619df838291e4e629be54e78480b65e716892b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0a6957e32503eb02d954112619df838291e4e629be54e78480b65e716892b4", kill_on_drop: false }`
[INFO] [stdout] 7a0a6957e32503eb02d954112619df838291e4e629be54e78480b65e716892b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32674c464f641e8f91c343d9bab607fd9532774e3f5e7689f4332d36df99113a
[INFO] running `Command { std: "docker" "start" "-a" "32674c464f641e8f91c343d9bab607fd9532774e3f5e7689f4332d36df99113a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling packed_simd_2 v0.3.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking fast_rsync v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `librsync`
[INFO] [stdout]   --> src/tests.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     librsync::whole::delta(
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `librsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `librsync`
[INFO] [stdout]   --> benches/rsync_bench.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 librsync::whole::signature_with_options(
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared crate or module `librsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `librsync`
[INFO] [stdout]   --> benches/rsync_bench.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     librsync::SignatureType::MD4,
[INFO] [stdout]    |                     ^^^^^^^^ use of undeclared crate or module `librsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `librsync`
[INFO] [stdout]    --> benches/rsync_bench.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     librsync::whole::delta(
[INFO] [stdout]     |                     ^^^^^^^^ use of undeclared crate or module `librsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `librsync`
[INFO] [stdout]    --> benches/rsync_bench.rs:196:17
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 librsync::whole::patch(&mut io::Cursor::new(&data[..]), &mut &delta[..], &mut out)
[INFO] [stdout]     |                 ^^^^^^^^ use of undeclared crate or module `librsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `librsync`
[INFO] [stdout]    --> src/tests.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     librsync::whole::patch(&mut Cursor::new(&base[..]), &mut &patch[..], &mut out).unwrap();
[INFO] [stdout]     |     ^^^^^^^^ use of undeclared crate or module `librsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `librsync`
[INFO] [stdout]    --> src/tests.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 librsync::whole::signature_with_options(
[INFO] [stdout]     |                 ^^^^^^^^ use of undeclared crate or module `librsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `librsync`
[INFO] [stdout]    --> src/tests.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     librsync::SignatureType::MD4,
[INFO] [stdout]     |                     ^^^^^^^^ use of undeclared crate or module `librsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast_rsync` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "32674c464f641e8f91c343d9bab607fd9532774e3f5e7689f4332d36df99113a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32674c464f641e8f91c343d9bab607fd9532774e3f5e7689f4332d36df99113a", kill_on_drop: false }`
[INFO] [stdout] 32674c464f641e8f91c343d9bab607fd9532774e3f5e7689f4332d36df99113a