[INFO] fetching crate rusty-ci 0.9.6...
[INFO] checking rusty-ci-0.9.6 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate rusty-ci 0.9.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rusty-ci 0.9.6 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-ci 0.9.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rusty-ci 0.9.6
[INFO] tweaked toml for crates.io crate rusty-ci 0.9.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rusty-ci 0.9.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-yaml v0.4.3
[INFO] [stderr]   Downloaded version-compare v0.0.9
[INFO] [stderr]   Downloaded os_info v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b4ffe9d476165c68d54b589886f6659f709b3f45f7154f9f9ca4b6b3e0a52c9
[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" "9b4ffe9d476165c68d54b589886f6659f709b3f45f7154f9f9ca4b6b3e0a52c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b4ffe9d476165c68d54b589886f6659f709b3f45f7154f9f9ca4b6b3e0a52c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4ffe9d476165c68d54b589886f6659f709b3f45f7154f9f9ca4b6b3e0a52c9", kill_on_drop: false }`
[INFO] [stdout] 9b4ffe9d476165c68d54b589886f6659f709b3f45f7154f9f9ca4b6b3e0a52c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 2eebc67da0fd6da0f06b842d9a48cefe4f330d2cd1f2e43a9ad388e3083fdea9
[INFO] running `Command { std: "docker" "start" "-a" "2eebc67da0fd6da0f06b842d9a48cefe4f330d2cd1f2e43a9ad388e3083fdea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling os_info v1.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking version-compare v0.0.9
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rusty-yaml v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling rusty-ci v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.80s
[INFO] running `Command { std: "docker" "inspect" "2eebc67da0fd6da0f06b842d9a48cefe4f330d2cd1f2e43a9ad388e3083fdea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eebc67da0fd6da0f06b842d9a48cefe4f330d2cd1f2e43a9ad388e3083fdea9", kill_on_drop: false }`
[INFO] [stdout] 2eebc67da0fd6da0f06b842d9a48cefe4f330d2cd1f2e43a9ad388e3083fdea9