[INFO] fetching crate bcat 0.1.3...
[INFO] checking bcat-0.1.3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate bcat 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bcat 0.1.3 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bcat 0.1.3
[INFO] finished tweaking crates.io crate bcat 0.1.3
[INFO] tweaked toml for crates.io crate bcat 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate bcat 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unix_mode v0.1.1
[INFO] [stderr]   Downloaded filesize v0.2.0
[INFO] [stderr]   Downloaded use v0.0.0
[INFO] [stderr]   Downloaded result v1.0.0
[INFO] [stderr]   Downloaded command v0.0.0
[INFO] [stderr]   Downloaded fs v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae8613b86e15786c2dc4bed47d633c628d2fbdaec2f30ad3a5ef54e6c0208c9e
[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" "ae8613b86e15786c2dc4bed47d633c628d2fbdaec2f30ad3a5ef54e6c0208c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8613b86e15786c2dc4bed47d633c628d2fbdaec2f30ad3a5ef54e6c0208c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8613b86e15786c2dc4bed47d633c628d2fbdaec2f30ad3a5ef54e6c0208c9e", kill_on_drop: false }`
[INFO] [stdout] ae8613b86e15786c2dc4bed47d633c628d2fbdaec2f30ad3a5ef54e6c0208c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c7ff8ffcfcc0616f0b336a5c19063bc52cd384c141ca92544c88eae5e4e345
[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" "76c7ff8ffcfcc0616f0b336a5c19063bc52cd384c141ca92544c88eae5e4e345", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking io v0.0.2
[INFO] [stderr]     Checking use v0.0.0
[INFO] [stderr]     Checking command v0.0.0
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking unix_mode v0.1.1
[INFO] [stderr]     Checking filesize v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling context v2.1.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking fs v0.0.5
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking bcat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.99s
[INFO] running `Command { std: "docker" "inspect" "76c7ff8ffcfcc0616f0b336a5c19063bc52cd384c141ca92544c88eae5e4e345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c7ff8ffcfcc0616f0b336a5c19063bc52cd384c141ca92544c88eae5e4e345", kill_on_drop: false }`
[INFO] [stdout] 76c7ff8ffcfcc0616f0b336a5c19063bc52cd384c141ca92544c88eae5e4e345