[INFO] fetching crate hamst 0.1.0...
[INFO] checking hamst-0.1.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate hamst 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate hamst 0.1.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hamst 0.1.0
[INFO] finished tweaking crates.io crate hamst 0.1.0
[INFO] tweaked toml for crates.io crate hamst 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (latest: v0.11.5)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[INFO] [stderr]       Adding quickcheck v0.9.2 (latest: v1.0.3)
[INFO] [stderr]       Adding quickcheck_macros v0.9.1 (latest: v1.0.0)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v0.9.1
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c16abdea7280f5bd51ebe7a15e2ecca0c8cd323d4cc3c340334978feb612cd7
[INFO] running `Command { std: "docker" "start" "-a" "0c16abdea7280f5bd51ebe7a15e2ecca0c8cd323d4cc3c340334978feb612cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c16abdea7280f5bd51ebe7a15e2ecca0c8cd323d4cc3c340334978feb612cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c16abdea7280f5bd51ebe7a15e2ecca0c8cd323d4cc3c340334978feb612cd7", kill_on_drop: false }`
[INFO] [stdout] 0c16abdea7280f5bd51ebe7a15e2ecca0c8cd323d4cc3c340334978feb612cd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c973e60ffb8996738d09f10429dba9fa2bd132e942d531f4d99ec15d84301b
[INFO] running `Command { std: "docker" "start" "-a" "e6c973e60ffb8996738d09f10429dba9fa2bd132e942d531f4d99ec15d84301b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking hamst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stdout] warning: unused imports: `InsertError`, `RemoveError`, `ReplaceError`, and `UpdateError`
[INFO] [stdout]  --> src/immutable.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use super::mutable::{InsertError, RemoveError, ReplaceError, UpdateError};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stdout] warning: unused imports: `InsertError`, `RemoveError`, `ReplaceError`, and `UpdateError`
[INFO] [stdout]  --> src/immutable.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use super::mutable::{InsertError, RemoveError, ReplaceError, UpdateError};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "e6c973e60ffb8996738d09f10429dba9fa2bd132e942d531f4d99ec15d84301b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c973e60ffb8996738d09f10429dba9fa2bd132e942d531f4d99ec15d84301b", kill_on_drop: false }`
[INFO] [stdout] e6c973e60ffb8996738d09f10429dba9fa2bd132e942d531f4d99ec15d84301b