[INFO] fetching crate buddy_system_allocator 0.9.0...
[INFO] checking buddy_system_allocator-0.9.0 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate buddy_system_allocator 0.9.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate buddy_system_allocator 0.9.0 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buddy_system_allocator 0.9.0
[INFO] finished tweaking crates.io crate buddy_system_allocator 0.9.0
[INFO] tweaked toml for crates.io crate buddy_system_allocator 0.9.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 434431c754dbb18b6a57b3da816e3b09de4bb95e9df13fc4230a0c66c84464ac
[INFO] running `Command { std: "docker" "start" "-a" "434431c754dbb18b6a57b3da816e3b09de4bb95e9df13fc4230a0c66c84464ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "434431c754dbb18b6a57b3da816e3b09de4bb95e9df13fc4230a0c66c84464ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434431c754dbb18b6a57b3da816e3b09de4bb95e9df13fc4230a0c66c84464ac", kill_on_drop: false }`
[INFO] [stdout] 434431c754dbb18b6a57b3da816e3b09de4bb95e9df13fc4230a0c66c84464ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf0f3b3d32e533987ed1afc7c33c3d83170b0e600d69ba896f562acc404f9670
[INFO] running `Command { std: "docker" "start" "-a" "cf0f3b3d32e533987ed1afc7c33c3d83170b0e600d69ba896f562acc404f9670", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking buddy_system_allocator v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]   --> benches/memory_allocator_benchmark.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use rand::prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rng` is imported redundantly
[INFO] [stdout]   --> benches/memory_allocator_benchmark.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use rand::prelude::*;
[INFO] [stdout]    |         ---------------- the item `Rng` is already imported here
[INFO] [stdout] 46 |     use rand::{Rng, SeedableRng};
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SeedableRng` is imported redundantly
[INFO] [stdout]   --> benches/memory_allocator_benchmark.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use rand::prelude::*;
[INFO] [stdout]    |         ---------------- the item `SeedableRng` is already imported here
[INFO] [stdout] 46 |     use rand::{Rng, SeedableRng};
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_chacha::ChaCha8Rng`
[INFO] [stdout]   --> benches/memory_allocator_benchmark.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use rand_chacha::ChaCha8Rng;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "cf0f3b3d32e533987ed1afc7c33c3d83170b0e600d69ba896f562acc404f9670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0f3b3d32e533987ed1afc7c33c3d83170b0e600d69ba896f562acc404f9670", kill_on_drop: false }`
[INFO] [stdout] cf0f3b3d32e533987ed1afc7c33c3d83170b0e600d69ba896f562acc404f9670
