[INFO] fetching crate memhop 1.0.0...
[INFO] checking memhop-1.0.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate memhop 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate memhop 1.0.0
[INFO] finished tweaking crates.io crate memhop 1.0.0
[INFO] tweaked toml for crates.io crate memhop 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate memhop 1.0.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding mach2 v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding windows-sys v0.36.1 (available: v0.61.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.2.0
[INFO] [stderr]   Downloaded procmaps v0.4.1
[INFO] [stderr]   Downloaded mach2 v0.4.3
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b81ae455fb528f357da717eed712c7166d539fe8d01f983cf1aa8c1b3a37ec2
[INFO] running `Command { std: "docker" "start" "-a" "2b81ae455fb528f357da717eed712c7166d539fe8d01f983cf1aa8c1b3a37ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b81ae455fb528f357da717eed712c7166d539fe8d01f983cf1aa8c1b3a37ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b81ae455fb528f357da717eed712c7166d539fe8d01f983cf1aa8c1b3a37ec2", kill_on_drop: false }`
[INFO] [stdout] 2b81ae455fb528f357da717eed712c7166d539fe8d01f983cf1aa8c1b3a37ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24fc38c8f68e7cb2b1661214b1f5242eeb1cedf0ed56122d394828c9bce98bfb
[INFO] running `Command { std: "docker" "start" "-a" "24fc38c8f68e7cb2b1661214b1f5242eeb1cedf0ed56122d394828c9bce98bfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking procmaps v0.4.1
[INFO] [stderr]     Checking memhop v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `linux::*`
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use linux::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linux::*`
[INFO] [stdout]  --> src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use linux::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "24fc38c8f68e7cb2b1661214b1f5242eeb1cedf0ed56122d394828c9bce98bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fc38c8f68e7cb2b1661214b1f5242eeb1cedf0ed56122d394828c9bce98bfb", kill_on_drop: false }`
[INFO] [stdout] 24fc38c8f68e7cb2b1661214b1f5242eeb1cedf0ed56122d394828c9bce98bfb