[INFO] fetching crate bytestring 1.0.0...
[INFO] testing bytestring-1.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate bytestring 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bytestring 1.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytestring 1.0.0
[INFO] finished tweaking crates.io crate bytestring 1.0.0
[INFO] tweaked toml for crates.io crate bytestring 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e17ce76d0bc9a596fd9c89e4ecc7d106e1ce21414aa12d93278f3752b34aea4
[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" "0e17ce76d0bc9a596fd9c89e4ecc7d106e1ce21414aa12d93278f3752b34aea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e17ce76d0bc9a596fd9c89e4ecc7d106e1ce21414aa12d93278f3752b34aea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e17ce76d0bc9a596fd9c89e4ecc7d106e1ce21414aa12d93278f3752b34aea4", kill_on_drop: false }`
[INFO] [stdout] 0e17ce76d0bc9a596fd9c89e4ecc7d106e1ce21414aa12d93278f3752b34aea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] 3283930c5bfc0ba7e4792abfbef6c893fcbeddb8885746921a218bdb2f8e83f4
[INFO] running `Command { std: "docker" "start" "-a" "3283930c5bfc0ba7e4792abfbef6c893fcbeddb8885746921a218bdb2f8e83f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling bytestring v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "3283930c5bfc0ba7e4792abfbef6c893fcbeddb8885746921a218bdb2f8e83f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3283930c5bfc0ba7e4792abfbef6c893fcbeddb8885746921a218bdb2f8e83f4", kill_on_drop: false }`
[INFO] [stdout] 3283930c5bfc0ba7e4792abfbef6c893fcbeddb8885746921a218bdb2f8e83f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 014528b40d42412c55f1c4804a927cb9d58fd1139f5eb08d24b3bf4af0544317
[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" "014528b40d42412c55f1c4804a927cb9d58fd1139f5eb08d24b3bf4af0544317", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytestring v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `siphasher`
[INFO] [stdout]    --> src/lib.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     use siphasher::sip::SipHasher;
[INFO] [stdout]     |         ^^^^^^^^^ use of undeclared crate or module `siphasher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SipHasher`
[INFO] [stdout]    --> src/lib.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |           let mut hasher1 = SipHasher::default();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let mut hasher1 = Hasher::default();
[INFO] [stdout]     |                           ~~~~~~
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use core::hash::SipHasher;
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use crate::hash::SipHasher;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SipHasher`
[INFO] [stdout]    --> src/lib.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |           let mut hasher2 = SipHasher::default();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let mut hasher2 = Hasher::default();
[INFO] [stdout]     |                           ~~~~~~
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use core::hash::SipHasher;
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use crate::hash::SipHasher;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytestring` due to 4 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]    --> src/lib.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |     use core::hash::{Hash, Hasher};
[INFO] [stdout]     |                            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "014528b40d42412c55f1c4804a927cb9d58fd1139f5eb08d24b3bf4af0544317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014528b40d42412c55f1c4804a927cb9d58fd1139f5eb08d24b3bf4af0544317", kill_on_drop: false }`
[INFO] [stdout] 014528b40d42412c55f1c4804a927cb9d58fd1139f5eb08d24b3bf4af0544317