[INFO] fetching crate fast-float 0.2.0...
[INFO] checking fast-float-0.2.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate fast-float 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate fast-float 0.2.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-float 0.2.0
[INFO] finished tweaking crates.io crate fast-float 0.2.0
[INFO] tweaked toml for crates.io crate fast-float 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding hexf-parse v0.1.0 (latest: v0.2.1)
[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding num-bigint v0.3.3 (latest: v0.4.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hexf-parse v0.1.0
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a92e5413e1b6c6b8cef33ee6833c9fc9daf3fe7aad3887559ae9012c0056f57
[INFO] running `Command { std: "docker" "start" "-a" "6a92e5413e1b6c6b8cef33ee6833c9fc9daf3fe7aad3887559ae9012c0056f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a92e5413e1b6c6b8cef33ee6833c9fc9daf3fe7aad3887559ae9012c0056f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a92e5413e1b6c6b8cef33ee6833c9fc9daf3fe7aad3887559ae9012c0056f57", kill_on_drop: false }`
[INFO] [stdout] 6a92e5413e1b6c6b8cef33ee6833c9fc9daf3fe7aad3887559ae9012c0056f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4dcf371e73cc878564f5a4b8b886e241efdc22a61d044bcea0957a832a33f96
[INFO] running `Command { std: "docker" "start" "-a" "f4dcf371e73cc878564f5a4b8b886e241efdc22a61d044bcea0957a832a33f96", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking hexf-parse v0.1.0
[INFO] [stderr]     Checking fast-float v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `skip_chars2` is never used
[INFO] [stdout]    --> src/common.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub trait ByteSlice: AsRef<[u8]> + AsMut<[u8]> {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn skip_chars2(&self, c1: u8, c2: u8) -> &[u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stdout] warning: method `skip_chars2` is never used
[INFO] [stdout]    --> src/common.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub trait ByteSlice: AsRef<[u8]> + AsMut<[u8]> {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn skip_chars2(&self, c1: u8, c2: u8) -> &[u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 4.90s
[INFO] running `Command { std: "docker" "inspect" "f4dcf371e73cc878564f5a4b8b886e241efdc22a61d044bcea0957a832a33f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4dcf371e73cc878564f5a4b8b886e241efdc22a61d044bcea0957a832a33f96", kill_on_drop: false }`
[INFO] [stdout] f4dcf371e73cc878564f5a4b8b886e241efdc22a61d044bcea0957a832a33f96
[INFO] checking fast-float-0.2.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2
[INFO] extracting crate fast-float 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate fast-float 0.2.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-float 0.2.0
[INFO] finished tweaking crates.io crate fast-float 0.2.0
[INFO] tweaked toml for crates.io crate fast-float 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca0e09cce9540388f43237c56f24a58e421f0dfc8dc64065fbd3b8f162cec2e4
[INFO] running `Command { std: "docker" "start" "-a" "ca0e09cce9540388f43237c56f24a58e421f0dfc8dc64065fbd3b8f162cec2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0e09cce9540388f43237c56f24a58e421f0dfc8dc64065fbd3b8f162cec2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0e09cce9540388f43237c56f24a58e421f0dfc8dc64065fbd3b8f162cec2e4", kill_on_drop: false }`
[INFO] [stdout] ca0e09cce9540388f43237c56f24a58e421f0dfc8dc64065fbd3b8f162cec2e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 369ef3b1d4d597bf66f7fed877017e63babf0237199ecbed0b5c5abe9f313f70
[INFO] running `Command { std: "docker" "start" "-a" "369ef3b1d4d597bf66f7fed877017e63babf0237199ecbed0b5c5abe9f313f70", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "369ef3b1d4d597bf66f7fed877017e63babf0237199ecbed0b5c5abe9f313f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369ef3b1d4d597bf66f7fed877017e63babf0237199ecbed0b5c5abe9f313f70", kill_on_drop: false }`
[INFO] [stdout] 369ef3b1d4d597bf66f7fed877017e63babf0237199ecbed0b5c5abe9f313f70