[INFO] fetching crate cantact 0.0.6...
[INFO] checking cantact-0.0.6 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate cantact 0.0.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cantact 0.0.6 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cantact 0.0.6
[INFO] finished tweaking crates.io crate cantact 0.0.6
[INFO] tweaked toml for crates.io crate cantact 0.0.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cantact 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cantact-driver v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d775c0e6890bc679a54400c40a52f17db637291dc84b520bb77f51762820be92
[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" "d775c0e6890bc679a54400c40a52f17db637291dc84b520bb77f51762820be92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d775c0e6890bc679a54400c40a52f17db637291dc84b520bb77f51762820be92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d775c0e6890bc679a54400c40a52f17db637291dc84b520bb77f51762820be92", kill_on_drop: false }`
[INFO] [stdout] d775c0e6890bc679a54400c40a52f17db637291dc84b520bb77f51762820be92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1739b3eda594445c9fec685f1a600a5864db029492c6737cab28c4aac4ba3091
[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" "1739b3eda594445c9fec685f1a600a5864db029492c6737cab28c4aac4ba3091", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cantact-driver v0.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling libusb1-sys v0.3.7
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cantact v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "1739b3eda594445c9fec685f1a600a5864db029492c6737cab28c4aac4ba3091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1739b3eda594445c9fec685f1a600a5864db029492c6737cab28c4aac4ba3091", kill_on_drop: false }`
[INFO] [stdout] 1739b3eda594445c9fec685f1a600a5864db029492c6737cab28c4aac4ba3091