[INFO] updating cached repository https://github.com/project-polya/nutshell
[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] b7d7265e9689db2c95087161cafdfbdf0153df5c
[INFO] checking project-polya/nutshell against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproject-polya%2Fnutshell" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/project-polya/nutshell on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/project-polya/nutshell
[INFO] finished tweaking git repo https://github.com/project-polya/nutshell
[INFO] tweaked toml for git repo https://github.com/project-polya/nutshell written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tls v0.3.1
[INFO] running `"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" "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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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] 5a66f9273392fe7359298dcc7a977543d54a9b2fa4c533e22886efaf6b7ca021
[INFO] running `"docker" "start" "-a" "5a66f9273392fe7359298dcc7a977543d54a9b2fa4c533e22886efaf6b7ca021"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking pin-project v0.4.10
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking nutshell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `"docker" "inspect" "5a66f9273392fe7359298dcc7a977543d54a9b2fa4c533e22886efaf6b7ca021"`
[INFO] running `"docker" "rm" "-f" "5a66f9273392fe7359298dcc7a977543d54a9b2fa4c533e22886efaf6b7ca021"`
[INFO] [stdout] 5a66f9273392fe7359298dcc7a977543d54a9b2fa4c533e22886efaf6b7ca021