[INFO] fetching crate snowflake-rs-impl 1.0.1...
[INFO] building snowflake-rs-impl-1.0.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate snowflake-rs-impl 1.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate snowflake-rs-impl 1.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate snowflake-rs-impl 1.0.1
[INFO] tweaked toml for crates.io crate snowflake-rs-impl 1.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snowflake-rs-impl 1.0.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b417dffd7fa8e199572ff723c16707086c2f59217442bb838363196c4ebf147c
[INFO] running `Command { std: "docker" "start" "-a" "b417dffd7fa8e199572ff723c16707086c2f59217442bb838363196c4ebf147c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b417dffd7fa8e199572ff723c16707086c2f59217442bb838363196c4ebf147c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b417dffd7fa8e199572ff723c16707086c2f59217442bb838363196c4ebf147c", kill_on_drop: false }`
[INFO] [stdout] b417dffd7fa8e199572ff723c16707086c2f59217442bb838363196c4ebf147c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82df51d6af2a0106a68af11ce1503a3b8d3cd8d6b7ab588f48caea3c90275b7f
[INFO] running `Command { std: "docker" "start" "-a" "82df51d6af2a0106a68af11ce1503a3b8d3cd8d6b7ab588f48caea3c90275b7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling snowflake-rs-impl v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `debug` and `warn`
[INFO] [stdout]  --> src/snowflake.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{debug, warn};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/snowflake.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Snowflake {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 59 |     start: Instant,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "82df51d6af2a0106a68af11ce1503a3b8d3cd8d6b7ab588f48caea3c90275b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82df51d6af2a0106a68af11ce1503a3b8d3cd8d6b7ab588f48caea3c90275b7f", kill_on_drop: false }`
[INFO] [stdout] 82df51d6af2a0106a68af11ce1503a3b8d3cd8d6b7ab588f48caea3c90275b7f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d2976a34cff37fd8f9acc7cb0cbbb118d242075f0f1a73fb53df060bfdebaa
[INFO] running `Command { std: "docker" "start" "-a" "c5d2976a34cff37fd8f9acc7cb0cbbb118d242075f0f1a73fb53df060bfdebaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowflake-rs-impl v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `debug` and `warn`
[INFO] [stdout]  --> src/snowflake.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{debug, warn};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/snowflake.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Snowflake {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 59 |     start: Instant,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `warn`
[INFO] [stdout]  --> src/snowflake.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{debug, warn};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/snowflake.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Snowflake {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 59 |     start: Instant,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "c5d2976a34cff37fd8f9acc7cb0cbbb118d242075f0f1a73fb53df060bfdebaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d2976a34cff37fd8f9acc7cb0cbbb118d242075f0f1a73fb53df060bfdebaa", kill_on_drop: false }`
[INFO] [stdout] c5d2976a34cff37fd8f9acc7cb0cbbb118d242075f0f1a73fb53df060bfdebaa