[INFO] fetching crate linux-loader 0.6.0...
[INFO] checking linux-loader-0.6.0 against master#4a0ee3cdc66573c8b46471462db7088a89d25183 for pr-102513-1
[INFO] extracting crate linux-loader 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate linux-loader 0.6.0 on toolchain 4a0ee3cdc66573c8b46471462db7088a89d25183
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate linux-loader 0.6.0
[INFO] finished tweaking crates.io crate linux-loader 0.6.0
[INFO] tweaked toml for crates.io crate linux-loader 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vm-memory v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c3c2d199b6ccb3396189afd81db39c8f6e2a866a2acd4d273915d1cb9553287
[INFO] running `Command { std: "docker" "start" "-a" "0c3c2d199b6ccb3396189afd81db39c8f6e2a866a2acd4d273915d1cb9553287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c3c2d199b6ccb3396189afd81db39c8f6e2a866a2acd4d273915d1cb9553287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3c2d199b6ccb3396189afd81db39c8f6e2a866a2acd4d273915d1cb9553287", kill_on_drop: false }`
[INFO] [stdout] 0c3c2d199b6ccb3396189afd81db39c8f6e2a866a2acd4d273915d1cb9553287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c95fbb0f69088f3081383f96a4fa20e1cea658796f555df8ddabc0c57304caa
[INFO] running `Command { std: "docker" "start" "-a" "9c95fbb0f69088f3081383f96a4fa20e1cea658796f555df8ddabc0c57304caa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking vm-memory v0.9.0
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking linux-loader v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> benches/x86_64/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> benches/x86_64/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Cursor, Read};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: linux-loader v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9c95fbb0f69088f3081383f96a4fa20e1cea658796f555df8ddabc0c57304caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c95fbb0f69088f3081383f96a4fa20e1cea658796f555df8ddabc0c57304caa", kill_on_drop: false }`
[INFO] [stdout] 9c95fbb0f69088f3081383f96a4fa20e1cea658796f555df8ddabc0c57304caa