[INFO] cloning repository https://github.com/noahp/diffelf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noahp/diffelf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahp%2Fdiffelf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahp%2Fdiffelf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9374a845f55c53980ccc8f0fa79a5a3216abf2f0
[INFO] checking noahp/diffelf against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahp%2Fdiffelf" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noahp/diffelf on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noahp/diffelf
[INFO] finished tweaking git repo https://github.com/noahp/diffelf
[INFO] tweaked toml for git repo https://github.com/noahp/diffelf written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/noahp/diffelf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 792f137dfbaf01242570bff65f714baa2d2a109f7abd7b29574a6cd20ac9b62e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "792f137dfbaf01242570bff65f714baa2d2a109f7abd7b29574a6cd20ac9b62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "792f137dfbaf01242570bff65f714baa2d2a109f7abd7b29574a6cd20ac9b62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792f137dfbaf01242570bff65f714baa2d2a109f7abd7b29574a6cd20ac9b62e", kill_on_drop: false }`
[INFO] [stdout] 792f137dfbaf01242570bff65f714baa2d2a109f7abd7b29574a6cd20ac9b62e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e89f7b46ceecc60db5c7a78477d5a625c14e77a42179dc4cbf75a438085ebc2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e89f7b46ceecc60db5c7a78477d5a625c14e77a42179dc4cbf75a438085ebc2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking ar v0.6.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking bloom v0.3.2
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking elfkit v0.0.7
[INFO] [stderr]     Checking diffelf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.03s
[INFO] running `Command { std: "docker" "inspect" "e89f7b46ceecc60db5c7a78477d5a625c14e77a42179dc4cbf75a438085ebc2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89f7b46ceecc60db5c7a78477d5a625c14e77a42179dc4cbf75a438085ebc2d", kill_on_drop: false }`
[INFO] [stdout] e89f7b46ceecc60db5c7a78477d5a625c14e77a42179dc4cbf75a438085ebc2d