[INFO] fetching crate buffered_offset_reader 0.6.0...
[INFO] checking buffered_offset_reader-0.6.0 against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] extracting crate buffered_offset_reader 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate buffered_offset_reader 0.6.0
[INFO] finished tweaking crates.io crate buffered_offset_reader 0.6.0
[INFO] tweaked toml for crates.io crate buffered_offset_reader 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buffered_offset_reader 0.6.0 on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 39b4e34db81d95e70417571086340612d4ae1778e1d03933a25a5105639cb53d
[INFO] running `Command { std: "docker" "start" "39b4e34db81d95e70417571086340612d4ae1778e1d03933a25a5105639cb53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "39b4e34db81d95e70417571086340612d4ae1778e1d03933a25a5105639cb53d" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b4e34db81d95e70417571086340612d4ae1778e1d03933a25a5105639cb53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "39b4e34db81d95e70417571086340612d4ae1778e1d03933a25a5105639cb53d" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking buffered_offset_reader v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `empty` and `shift_right` are never used
[INFO] [stdout]   --> src/range.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub trait RangeExt {
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout]  7 |     fn empty(&self) -> bool; // is_empty() is in nightly
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn shift_right(&self, n: usize) -> Range;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.77s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "39b4e34db81d95e70417571086340612d4ae1778e1d03933a25a5105639cb53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b4e34db81d95e70417571086340612d4ae1778e1d03933a25a5105639cb53d", kill_on_drop: false }`
[INFO] [stdout] 39b4e34db81d95e70417571086340612d4ae1778e1d03933a25a5105639cb53d
