[INFO] fetching crate uu_ls 0.0.1...
[INFO] checking uu_ls-0.0.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate uu_ls 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uu_ls 0.0.1 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 crates.io crate uu_ls 0.0.1
[INFO] finished tweaking crates.io crate uu_ls 0.0.1
[INFO] tweaked toml for crates.io crate uu_ls 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate uu_ls 0.0.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] [stderr]   Downloaded term_grid v0.1.7
[INFO] [stderr]   Downloaded number_prefix v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a1047b9828851f739014479bfa031453c23ae1b05cd27b43e8fb4d9cddcdb7a5
[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" "a1047b9828851f739014479bfa031453c23ae1b05cd27b43e8fb4d9cddcdb7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1047b9828851f739014479bfa031453c23ae1b05cd27b43e8fb4d9cddcdb7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1047b9828851f739014479bfa031453c23ae1b05cd27b43e8fb4d9cddcdb7a5", kill_on_drop: false }`
[INFO] [stdout] a1047b9828851f739014479bfa031453c23ae1b05cd27b43e8fb4d9cddcdb7a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] f13b4854ccf2772e05948d53c8239e5a6dfe5c9dc5791ee138e0bf3c5e15d170
[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" "f13b4854ccf2772e05948d53c8239e5a6dfe5c9dc5791ee138e0bf3c5e15d170", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking wild v2.0.1
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking uucore v0.0.4
[INFO] [stderr]    Compiling uucore_procs v0.0.4
[INFO] [stderr]     Checking uu_ls v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "f13b4854ccf2772e05948d53c8239e5a6dfe5c9dc5791ee138e0bf3c5e15d170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13b4854ccf2772e05948d53c8239e5a6dfe5c9dc5791ee138e0bf3c5e15d170", kill_on_drop: false }`
[INFO] [stdout] f13b4854ccf2772e05948d53c8239e5a6dfe5c9dc5791ee138e0bf3c5e15d170