[INFO] updating cached repository https://github.com/psinghal20/feature-analyst
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be4dbe88d421ca911b6d2b2a32e920277af64c41
[INFO] checking psinghal20/feature-analyst against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsinghal20%2Ffeature-analyst" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/psinghal20/feature-analyst on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/psinghal20/feature-analyst
[INFO] finished tweaking git repo https://github.com/psinghal20/feature-analyst
[INFO] tweaked toml for git repo https://github.com/psinghal20/feature-analyst written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/psinghal20/feature-analyst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", 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] 9e529127f125652739b5501c5247cc731db1555e37f54ccd4bdacae19b696547
[INFO] running `Command { std: "docker" "start" "-a" "9e529127f125652739b5501c5247cc731db1555e37f54ccd4bdacae19b696547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e529127f125652739b5501c5247cc731db1555e37f54ccd4bdacae19b696547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e529127f125652739b5501c5247cc731db1555e37f54ccd4bdacae19b696547", kill_on_drop: false }`
[INFO] [stdout] 9e529127f125652739b5501c5247cc731db1555e37f54ccd4bdacae19b696547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c70b9cf588ec3c0050ce64f28384d855d38b18e6ba9aaf216cdd59ebec82c48a
[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" "c70b9cf588ec3c0050ce64f28384d855d38b18e6ba9aaf216cdd59ebec82c48a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]    Compiling pkg-config v0.3.14
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[INFO] [stderr]     Checking bitflags v1.0.4
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[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tar v0.4.21
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]    Compiling syn v0.15.28
[INFO] [stderr]     Checking sized-chunks v0.1.1
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[INFO] [stderr]     Checking url v1.7.2
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[INFO] [stderr]    Compiling synstructure v0.10.1
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[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling structopt-derive v0.2.15
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[INFO] [stderr]     Checking serde_json v1.0.39
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[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling im-rc v12.3.2
[INFO] [stderr]     Checking rustfix v0.4.4
[INFO] [stderr]     Checking crypto-hash v0.3.3
[INFO] [stderr]     Checking curl v0.4.19
[INFO] [stderr]     Checking crates-io v0.22.0
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking cargo v0.34.0
[INFO] [stderr]     Checking cargo-feature-analyst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "c70b9cf588ec3c0050ce64f28384d855d38b18e6ba9aaf216cdd59ebec82c48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70b9cf588ec3c0050ce64f28384d855d38b18e6ba9aaf216cdd59ebec82c48a", kill_on_drop: false }`
[INFO] [stdout] c70b9cf588ec3c0050ce64f28384d855d38b18e6ba9aaf216cdd59ebec82c48a