[INFO] fetching crate elf2tab 0.6.0...
[INFO] checking elf2tab-0.6.0 against beta for pr-78714
[INFO] extracting crate elf2tab 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate elf2tab 0.6.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elf2tab 0.6.0
[INFO] finished tweaking crates.io crate elf2tab 0.6.0
[INFO] tweaked toml for crates.io crate elf2tab 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate elf2tab 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aef09a749fa8560088e51d6dff2dfa59cf164fb3cc539a398849e016a02a788
[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" "5aef09a749fa8560088e51d6dff2dfa59cf164fb3cc539a398849e016a02a788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aef09a749fa8560088e51d6dff2dfa59cf164fb3cc539a398849e016a02a788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aef09a749fa8560088e51d6dff2dfa59cf164fb3cc539a398849e016a02a788", kill_on_drop: false }`
[INFO] [stdout] 5aef09a749fa8560088e51d6dff2dfa59cf164fb3cc539a398849e016a02a788
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a225bf57a811e5cb2c63d2fdc566993d7ee05a59500f9c4fa98427e8bac5739c
[INFO] running `Command { std: "docker" "start" "-a" "a225bf57a811e5cb2c63d2fdc566993d7ee05a59500f9c4fa98427e8bac5739c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking xattr v0.2.1
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking tar v0.4.15
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking elf2tab v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.32s
[INFO] running `Command { std: "docker" "inspect" "a225bf57a811e5cb2c63d2fdc566993d7ee05a59500f9c4fa98427e8bac5739c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a225bf57a811e5cb2c63d2fdc566993d7ee05a59500f9c4fa98427e8bac5739c", kill_on_drop: false }`
[INFO] [stdout] a225bf57a811e5cb2c63d2fdc566993d7ee05a59500f9c4fa98427e8bac5739c