[INFO] fetching crate hdrhistogram 7.5.4...
[INFO] checking hdrhistogram-7.5.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate hdrhistogram 7.5.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate hdrhistogram 7.5.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hdrhistogram 7.5.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hdrhistogram 7.5.4
[INFO] tweaked toml for crates.io crate hdrhistogram 7.5.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate hdrhistogram 7.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ieee754 v0.2.6
[INFO] [stderr]   Downloaded errno v0.3.6
[INFO] [stderr]   Downloaded getrandom v0.2.11
[INFO] [stderr]   Downloaded clap v4.3.24
[INFO] [stderr]   Downloaded clap_builder v4.3.24
[INFO] [stderr]   Downloaded rug v1.22.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 372b01156e44afdb2d78611ce37c74fc1d0ae723ace8989aec6c98c8494ab133
[INFO] running `Command { std: "docker" "start" "-a" "372b01156e44afdb2d78611ce37c74fc1d0ae723ace8989aec6c98c8494ab133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372b01156e44afdb2d78611ce37c74fc1d0ae723ace8989aec6c98c8494ab133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372b01156e44afdb2d78611ce37c74fc1d0ae723ace8989aec6c98c8494ab133", kill_on_drop: false }`
[INFO] [stdout] 372b01156e44afdb2d78611ce37c74fc1d0ae723ace8989aec6c98c8494ab133
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f570b94f5bece8e56178711cc222994297967cd5ca5a67a4ebd7d7dcafd6e7d
[INFO] running `Command { std: "docker" "start" "-a" "0f570b94f5bece8e56178711cc222994297967cd5ca5a67a4ebd7d7dcafd6e7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling rug v1.22.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.24
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hdrhistogram v7.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/serialization/v2_deflate_serializer.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{self, error, fmt};
[INFO] [stdout]   |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/serialization/deserializer.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{self, error, fmt};
[INFO] [stdout]   |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.3.24
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "0f570b94f5bece8e56178711cc222994297967cd5ca5a67a4ebd7d7dcafd6e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f570b94f5bece8e56178711cc222994297967cd5ca5a67a4ebd7d7dcafd6e7d", kill_on_drop: false }`
[INFO] [stdout] 0f570b94f5bece8e56178711cc222994297967cd5ca5a67a4ebd7d7dcafd6e7d
[INFO] checking hdrhistogram-7.5.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate hdrhistogram 7.5.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate hdrhistogram 7.5.4 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hdrhistogram 7.5.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hdrhistogram 7.5.4
[INFO] tweaked toml for crates.io crate hdrhistogram 7.5.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate hdrhistogram 7.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80875ddae0746f5f92e881a8ef159008716cc663e20db356b7ded2330e4b7a15
[INFO] running `Command { std: "docker" "start" "-a" "80875ddae0746f5f92e881a8ef159008716cc663e20db356b7ded2330e4b7a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80875ddae0746f5f92e881a8ef159008716cc663e20db356b7ded2330e4b7a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80875ddae0746f5f92e881a8ef159008716cc663e20db356b7ded2330e4b7a15", kill_on_drop: false }`
[INFO] [stdout] 80875ddae0746f5f92e881a8ef159008716cc663e20db356b7ded2330e4b7a15
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14053a07ad267abc3c9b101d1bc5323c2d16bf539db99b5cc8ff7882cca95361
[INFO] running `Command { std: "docker" "start" "-a" "14053a07ad267abc3c9b101d1bc5323c2d16bf539db99b5cc8ff7882cca95361", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rug v1.22.0
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking clap_builder v4.3.24
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hdrhistogram v7.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/serialization/v2_deflate_serializer.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{self, error, fmt};
[INFO] [stdout]   |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/serialization/deserializer.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{self, error, fmt};
[INFO] [stdout]   |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.3.24
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "14053a07ad267abc3c9b101d1bc5323c2d16bf539db99b5cc8ff7882cca95361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14053a07ad267abc3c9b101d1bc5323c2d16bf539db99b5cc8ff7882cca95361", kill_on_drop: false }`
[INFO] [stdout] 14053a07ad267abc3c9b101d1bc5323c2d16bf539db99b5cc8ff7882cca95361