[INFO] updating cached repository https://github.com/japaric/particle-tools
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fe4834581696ae8c07925bd32ef2360ab051aa0
[INFO] checking japaric/particle-tools against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaparic%2Fparticle-tools" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/japaric/particle-tools on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/japaric/particle-tools
[INFO] finished tweaking git repo https://github.com/japaric/particle-tools
[INFO] tweaked toml for git repo https://github.com/japaric/particle-tools written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/japaric/particle-tools already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94418b92cbcd8b9e1e223c721ad31c9d4ca542401363cd4d3164111efdfe0793
[INFO] running `"docker" "start" "-a" "94418b92cbcd8b9e1e223c721ad31c9d4ca542401363cd4d3164111efdfe0793"`
[INFO] [stderr]    Compiling typenum v1.5.2
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking backtrace v0.3.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking generic-array v0.7.2
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking sha2 v0.5.2
[INFO] [stderr]     Checking particle-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/bin/elf2bin.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::io::{Read, Write};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 28 |         use std::io::Write;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/bin/elf2bin.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::io::{Read, Write};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 28 |         use std::io::Write;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.18s
[INFO] running `"docker" "inspect" "94418b92cbcd8b9e1e223c721ad31c9d4ca542401363cd4d3164111efdfe0793"`
[INFO] running `"docker" "rm" "-f" "94418b92cbcd8b9e1e223c721ad31c9d4ca542401363cd4d3164111efdfe0793"`
[INFO] [stdout] 94418b92cbcd8b9e1e223c721ad31c9d4ca542401363cd4d3164111efdfe0793