[INFO] fetching crate scd 0.1.3...
[INFO] checking scd-0.1.3 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate scd 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate scd 0.1.3 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scd 0.1.3
[INFO] finished tweaking crates.io crate scd 0.1.3
[INFO] tweaked toml for crates.io crate scd 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate scd 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded anymap v0.12.1
[INFO] [stderr]   Downloaded ntapi v0.3.3
[INFO] [stderr]   Downloaded fsevent v2.0.1
[INFO] [stderr]   Downloaded fsevent-sys v3.0.0
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded inotify v0.8.2
[INFO] [stderr]   Downloaded tui v0.9.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded notify v5.0.0-pre.2
[INFO] [stderr]   Downloaded filetime v0.2.9
[INFO] [stderr]   Downloaded strmode v1.0.0
[INFO] [stderr]   Downloaded sysinfo v0.14.1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 031cedac936110600a94c3cc17873aae95db2976594569e01f71a6679c0905e8
[INFO] running `Command { std: "docker" "start" "-a" "031cedac936110600a94c3cc17873aae95db2976594569e01f71a6679c0905e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "031cedac936110600a94c3cc17873aae95db2976594569e01f71a6679c0905e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "031cedac936110600a94c3cc17873aae95db2976594569e01f71a6679c0905e8", kill_on_drop: false }`
[INFO] [stdout] 031cedac936110600a94c3cc17873aae95db2976594569e01f71a6679c0905e8
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eaedeabcd7270ee0f769a76559334e5a452335bf51848fc80994ee6ed813e9e
[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" "5eaedeabcd7270ee0f769a76559334e5a452335bf51848fc80994ee6ed813e9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling sysinfo v0.14.1
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking strmode v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking inotify v0.8.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tui v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v5.0.0-pre.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking scd v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "5eaedeabcd7270ee0f769a76559334e5a452335bf51848fc80994ee6ed813e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eaedeabcd7270ee0f769a76559334e5a452335bf51848fc80994ee6ed813e9e", kill_on_drop: false }`
[INFO] [stdout] 5eaedeabcd7270ee0f769a76559334e5a452335bf51848fc80994ee6ed813e9e