[INFO] fetching crate fullcodec_rand_xorshift 0.2.0...
[INFO] checking fullcodec_rand_xorshift-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate fullcodec_rand_xorshift 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fullcodec_rand_xorshift 0.2.0
[INFO] finished tweaking crates.io crate fullcodec_rand_xorshift 0.2.0
[INFO] tweaked toml for crates.io crate fullcodec_rand_xorshift 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fullcodec_rand_xorshift 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding parity-scale-codec v2.3.1 (available: v3.7.5)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[INFO] [stderr]       Adding sp-std v3.0.0 (available: v14.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0abb95f66ea8a3ac4014f11f876b4502146e033762033e585a66cd0ae7269a2a
[INFO] running `Command { std: "docker" "start" "-a" "0abb95f66ea8a3ac4014f11f876b4502146e033762033e585a66cd0ae7269a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0abb95f66ea8a3ac4014f11f876b4502146e033762033e585a66cd0ae7269a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abb95f66ea8a3ac4014f11f876b4502146e033762033e585a66cd0ae7269a2a", kill_on_drop: false }`
[INFO] [stdout] 0abb95f66ea8a3ac4014f11f876b4502146e033762033e585a66cd0ae7269a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b734b92b321d6ceee3b8ca30c364d6964857a4ba12ee0b1692ce87e51ec62094
[INFO] running `Command { std: "docker" "start" "-a" "b734b92b321d6ceee3b8ca30c364d6964857a4ba12ee0b1692ce87e51ec62094", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]     Checking parity-scale-codec v2.3.1
[INFO] [stderr]     Checking fullcodec_rand_xorshift v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand_xorshift`
[INFO] [stdout]  --> tests/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand_xorshift::XorShiftRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of unresolved module or unlinked crate `rand_xorshift`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand_xorshift`, use `cargo add rand_xorshift` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]  --> tests/mod.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand_core::{RngCore, SeedableRng};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fullcodec_rand_xorshift` (test "mod") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b734b92b321d6ceee3b8ca30c364d6964857a4ba12ee0b1692ce87e51ec62094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b734b92b321d6ceee3b8ca30c364d6964857a4ba12ee0b1692ce87e51ec62094", kill_on_drop: false }`
[INFO] [stdout] b734b92b321d6ceee3b8ca30c364d6964857a4ba12ee0b1692ce87e51ec62094