[INFO] fetching crate pfds 0.4.0...
[INFO] checking pfds-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate pfds 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pfds 0.4.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pfds 0.4.0
[INFO] finished tweaking crates.io crate pfds 0.4.0
[INFO] tweaked toml for crates.io crate pfds 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f804d6c17c4c836e810f8eff1d2e4cd96c174520beb67757644b01335d1aaef
[INFO] running `Command { std: "docker" "start" "-a" "6f804d6c17c4c836e810f8eff1d2e4cd96c174520beb67757644b01335d1aaef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f804d6c17c4c836e810f8eff1d2e4cd96c174520beb67757644b01335d1aaef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f804d6c17c4c836e810f8eff1d2e4cd96c174520beb67757644b01335d1aaef", kill_on_drop: false }`
[INFO] [stdout] 6f804d6c17c4c836e810f8eff1d2e4cd96c174520beb67757644b01335d1aaef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0505c0ea4579c334973c5ecc6b57ba9f29d953ac2d06a7f568164684be462969
[INFO] running `Command { std: "docker" "start" "-a" "0505c0ea4579c334973c5ecc6b57ba9f29d953ac2d06a7f568164684be462969", kill_on_drop: false }`
[INFO] [stderr]     Checking pfds v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hashable`
[INFO] [stdout]  --> src/tree.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{HashMap, HashSet, Hashable};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub use hashmap::*;
[INFO] [stdout]    |         ^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 45 | pub use tree::*;
[INFO] [stdout]    |         ------- but the name `Iter` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hashable`
[INFO] [stdout]  --> src/tree.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{HashMap, HashSet, Hashable};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub use hashmap::*;
[INFO] [stdout]    |         ^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 45 | pub use tree::*;
[INFO] [stdout]    |         ------- but the name `Iter` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/hashset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/tree.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 Some(p) => {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/hashset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/tree.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 Some(p) => {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "0505c0ea4579c334973c5ecc6b57ba9f29d953ac2d06a7f568164684be462969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0505c0ea4579c334973c5ecc6b57ba9f29d953ac2d06a7f568164684be462969", kill_on_drop: false }`
[INFO] [stdout] 0505c0ea4579c334973c5ecc6b57ba9f29d953ac2d06a7f568164684be462969