[INFO] cloning repository https://github.com/wwood/invert_bwt_issue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wwood/invert_bwt_issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwood%2Finvert_bwt_issue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwood%2Finvert_bwt_issue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7b5fac19a03b1b0e9c262252c2621b1f841c9bf
[INFO] checking wwood/invert_bwt_issue against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwood%2Finvert_bwt_issue" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wwood/invert_bwt_issue on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wwood/invert_bwt_issue
[INFO] finished tweaking git repo https://github.com/wwood/invert_bwt_issue
[INFO] tweaked toml for git repo https://github.com/wwood/invert_bwt_issue written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wwood/invert_bwt_issue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-bio/rust-bio`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efebbd74cf66a79cd5f9c39eae247eb1ebc174060ca19d2e029d874a1258fcc6
[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" "efebbd74cf66a79cd5f9c39eae247eb1ebc174060ca19d2e029d874a1258fcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efebbd74cf66a79cd5f9c39eae247eb1ebc174060ca19d2e029d874a1258fcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efebbd74cf66a79cd5f9c39eae247eb1ebc174060ca19d2e029d874a1258fcc6", kill_on_drop: false }`
[INFO] [stdout] efebbd74cf66a79cd5f9c39eae247eb1ebc174060ca19d2e029d874a1258fcc6
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2130732b721489cd3ef8e22bef2f8587e8ed05f9a10c95b9173dfa144b00a25c
[INFO] running `Command { std: "docker" "start" "-a" "2130732b721489cd3ef8e22bef2f8587e8ed05f9a10c95b9173dfa144b00a25c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking serde v1.0.12
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking bytecount v0.1.7
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking itertools v0.6.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.12
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bio v0.14.3-pre (https://github.com/rust-bio/rust-bio#52b244e3)
[INFO] [stderr]     Checking inverse_bwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.44s
[INFO] running `Command { std: "docker" "inspect" "2130732b721489cd3ef8e22bef2f8587e8ed05f9a10c95b9173dfa144b00a25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2130732b721489cd3ef8e22bef2f8587e8ed05f9a10c95b9173dfa144b00a25c", kill_on_drop: false }`
[INFO] [stdout] 2130732b721489cd3ef8e22bef2f8587e8ed05f9a10c95b9173dfa144b00a25c