[INFO] cloning repository https://github.com/Siilwyn/slack-avatar-disco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Siilwyn/slack-avatar-disco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Fslack-avatar-disco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Fslack-avatar-disco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8574ac794db0a5180d06be2fba20dd5b9a804d24
[INFO] checking Siilwyn/slack-avatar-disco against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Fslack-avatar-disco" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Siilwyn/slack-avatar-disco on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Siilwyn/slack-avatar-disco
[INFO] finished tweaking git repo https://github.com/Siilwyn/slack-avatar-disco
[INFO] tweaked toml for git repo https://github.com/Siilwyn/slack-avatar-disco written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Siilwyn/slack-avatar-disco already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9173ae3c5a507a3cf382110367359c262c513988bfb5e1db65f4333b06dcfd6
[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" "f9173ae3c5a507a3cf382110367359c262c513988bfb5e1db65f4333b06dcfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9173ae3c5a507a3cf382110367359c262c513988bfb5e1db65f4333b06dcfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9173ae3c5a507a3cf382110367359c262c513988bfb5e1db65f4333b06dcfd6", kill_on_drop: false }`
[INFO] [stdout] f9173ae3c5a507a3cf382110367359c262c513988bfb5e1db65f4333b06dcfd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] 6ac4d245dd9a313bc99587d684a92d4825183a0bbd35727d062feeb0f864d661
[INFO] running `Command { std: "docker" "start" "-a" "6ac4d245dd9a313bc99587d684a92d4825183a0bbd35727d062feeb0f864d661", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking slack-avatar-disco v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "6ac4d245dd9a313bc99587d684a92d4825183a0bbd35727d062feeb0f864d661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac4d245dd9a313bc99587d684a92d4825183a0bbd35727d062feeb0f864d661", kill_on_drop: false }`
[INFO] [stdout] 6ac4d245dd9a313bc99587d684a92d4825183a0bbd35727d062feeb0f864d661