[INFO] updating cached repository https://github.com/jsim2010/paper
[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] [stderr] From https://github.com/jsim2010/paper
[INFO] [stderr]    2f63dc3..9b84205  improve_io -> improve_io
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 342c63803b2ff675cc3caf1547a0bcbf93761b5a
[INFO] checking jsim2010/paper against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsim2010%2Fpaper" "/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/jsim2010/paper on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jsim2010/paper
[INFO] finished tweaking git repo https://github.com/jsim2010/paper
[INFO] tweaked toml for git repo https://github.com/jsim2010/paper written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 1cda1092f204b3fed290c99cf39b672d0a5c265dbe35c995430f41bfb973d2c0
[INFO] running `"docker" "start" "-a" "1cda1092f204b3fed290c99cf39b672d0a5c265dbe35c995430f41bfb973d2c0"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling doc-comment v0.3.2
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[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling starship_module_config_derive v0.1.1
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
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[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
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[INFO] [stderr]     Checking num_cpus v1.12.0
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[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking term_size v0.3.1
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[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking rayon-core v1.7.0
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[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling parse-display-derive v0.1.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking parse-display v0.1.1
[INFO] [stderr]     Checking tokio-rustls v0.13.0
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]     Checking hyper v0.13.3
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking starship v0.37.0
[INFO] [stderr]     Checking paper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 12s
[INFO] running `"docker" "inspect" "1cda1092f204b3fed290c99cf39b672d0a5c265dbe35c995430f41bfb973d2c0"`
[INFO] running `"docker" "rm" "-f" "1cda1092f204b3fed290c99cf39b672d0a5c265dbe35c995430f41bfb973d2c0"`
[INFO] [stdout] 1cda1092f204b3fed290c99cf39b672d0a5c265dbe35c995430f41bfb973d2c0