[INFO] fetching crate benchmark_suite 0.1.0...
[INFO] checking benchmark_suite-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate benchmark_suite 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate benchmark_suite 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate benchmark_suite 0.1.0
[INFO] tweaked toml for crates.io crate benchmark_suite 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate benchmark_suite 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding owo-colors v3.5.0 (available: v4.2.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44ddea028995a126cfb2ca122c363d6802790a69ff189873fa3949e7ac2060b1
[INFO] running `Command { std: "docker" "start" "-a" "44ddea028995a126cfb2ca122c363d6802790a69ff189873fa3949e7ac2060b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44ddea028995a126cfb2ca122c363d6802790a69ff189873fa3949e7ac2060b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ddea028995a126cfb2ca122c363d6802790a69ff189873fa3949e7ac2060b1", kill_on_drop: false }`
[INFO] [stdout] 44ddea028995a126cfb2ca122c363d6802790a69ff189873fa3949e7ac2060b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50505685ea86c21e6122e7fe4e9d8cf7c31a7b0aedfa8c356bc079c505c313ff
[INFO] running `Command { std: "docker" "start" "-a" "50505685ea86c21e6122e7fe4e9d8cf7c31a7b0aedfa8c356bc079c505c313ff", kill_on_drop: false }`
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking benchmark_suite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   --> tests/integration_tests.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use rand::prelude::*;
[INFO] [stdout]    |         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   --> tests/integration_tests.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                           ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `Vec<u32>` in the current scope
[INFO] [stdout]   --> tests/integration_tests.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |             table.shuffle(&mut rng);
[INFO] [stdout]    |                   ^^^^^^^ method not found in `Vec<u32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `benchmark_suite` (test "tests") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "50505685ea86c21e6122e7fe4e9d8cf7c31a7b0aedfa8c356bc079c505c313ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50505685ea86c21e6122e7fe4e9d8cf7c31a7b0aedfa8c356bc079c505c313ff", kill_on_drop: false }`
[INFO] [stdout] 50505685ea86c21e6122e7fe4e9d8cf7c31a7b0aedfa8c356bc079c505c313ff