[INFO] cloning repository https://github.com/Divoolej/picobu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Divoolej/picobu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivoolej%2Fpicobu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivoolej%2Fpicobu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c2b830abba92d84071bde3d088a520e435f6624
[INFO] checking Divoolej/picobu against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivoolej%2Fpicobu" "/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/Divoolej/picobu 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/Divoolej/picobu
[INFO] finished tweaking git repo https://github.com/Divoolej/picobu
[INFO] tweaked toml for git repo https://github.com/Divoolej/picobu written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Divoolej/picobu 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 fuchsia-cprng v0.1.0
[INFO] [stderr]   Downloaded structopt v0.2.14
[INFO] [stderr]   Downloaded ctrlc v3.1.1
[INFO] [stderr]   Downloaded tokio-executor v0.1.6
[INFO] [stderr]   Downloaded filetime v0.2.4
[INFO] [stderr]   Downloaded tokio-reactor v0.1.8
[INFO] [stderr]   Downloaded smallvec v0.6.8
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded rand_jitter v0.1.2
[INFO] [stderr]   Downloaded hotwatch v0.3.1
[INFO] [stderr]   Downloaded structopt-derive v0.2.14
[INFO] [stderr]   Downloaded cc v1.0.28
[INFO] [stderr]   Downloaded notify v4.0.7
[INFO] [stderr]   Downloaded libc v0.2.48
[INFO] [stderr]   Downloaded derive_more v0.11.0
[INFO] [stderr]   Downloaded tokio-io v0.1.11
[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] 4e5694a4b72bbba1a4007ecaa1792f98b65a90d90bf75ec6eba860a513648649
[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" "4e5694a4b72bbba1a4007ecaa1792f98b65a90d90bf75ec6eba860a513648649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5694a4b72bbba1a4007ecaa1792f98b65a90d90bf75ec6eba860a513648649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5694a4b72bbba1a4007ecaa1792f98b65a90d90bf75ec6eba860a513648649", kill_on_drop: false }`
[INFO] [stdout] 4e5694a4b72bbba1a4007ecaa1792f98b65a90d90bf75ec6eba860a513648649
[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] f8b21977de730986ab8ebb8b26d1675c314281e374680054e7ccc04e1a2b9233
[INFO] running `Command { std: "docker" "start" "-a" "f8b21977de730986ab8ebb8b26d1675c314281e374680054e7ccc04e1a2b9233", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking notify v4.0.7
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling derive_more v0.11.0
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking hotwatch v0.3.1
[INFO] [stderr]     Checking picobu v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.06s
[INFO] running `Command { std: "docker" "inspect" "f8b21977de730986ab8ebb8b26d1675c314281e374680054e7ccc04e1a2b9233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b21977de730986ab8ebb8b26d1675c314281e374680054e7ccc04e1a2b9233", kill_on_drop: false }`
[INFO] [stdout] f8b21977de730986ab8ebb8b26d1675c314281e374680054e7ccc04e1a2b9233