[INFO] updating cached repository https://github.com/jlgerber/packybara
[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] 095d7acb037c24026dd90ae304fb58671494ee3e
[INFO] checking jlgerber/packybara against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fpackybara" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlgerber/packybara on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jlgerber/packybara
[INFO] finished tweaking git repo https://github.com/jlgerber/packybara
[INFO] tweaked toml for git repo https://github.com/jlgerber/packybara written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/jlgerber/rust-lspec.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] c4c59f9ea587d5bd0704ee8be10cd00fb6880fbfe8c71dd0581c4ddc65db5ca8
[INFO] running `"docker" "start" "-a" "c4c59f9ea587d5bd0704ee8be10cd00fb6880fbfe8c71dd0581c4ddc65db5ca8"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking whoami v0.7.0
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio v0.2.10
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking postgres-protocol v0.5.0
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking postgres-types v0.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling snafu-derive v0.6.2
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.5
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking levelspec v0.7.0 (https://github.com/jlgerber/rust-lspec.git?tag=v0.7.0#103d0219)
[INFO] [stderr]     Checking snafu v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.4.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking structopt v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking tokio-postgres v0.5.1
[INFO] [stderr]     Checking postgres v0.17.0
[INFO] [stderr]     Checking packybara v0.32.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `cnt` is never read
[INFO] [stderr]    --> src/db/find_all/levels.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             cnt += 1;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cnt` is never read
[INFO] [stderr]    --> src/db/find_all/levels.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             cnt += 1;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `"docker" "inspect" "c4c59f9ea587d5bd0704ee8be10cd00fb6880fbfe8c71dd0581c4ddc65db5ca8"`
[INFO] running `"docker" "rm" "-f" "c4c59f9ea587d5bd0704ee8be10cd00fb6880fbfe8c71dd0581c4ddc65db5ca8"`
[INFO] [stdout] c4c59f9ea587d5bd0704ee8be10cd00fb6880fbfe8c71dd0581c4ddc65db5ca8