[INFO] cloning repository https://github.com/japaric/testd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/japaric/testd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaparic%2Ftestd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaparic%2Ftestd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b964b668c3e6c674b0dfa66ec01ff046ec1c79d5
[INFO] checking japaric/testd against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaparic%2Ftestd" "/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/japaric/testd 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 git repo https://github.com/japaric/testd
[INFO] finished tweaking git repo https://github.com/japaric/testd
[INFO] tweaked toml for git repo https://github.com/japaric/testd written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/japaric/testd 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 bincode v0.6.1
[INFO] [stderr]   Downloaded serde v0.8.21
[INFO] [stderr]   Downloaded serde_derive v0.8.21
[INFO] [stderr]   Downloaded serde_codegen v0.8.21
[INFO] [stderr]   Downloaded syn v0.10.5
[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" "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] 7c4a9a10a9779afcae056e1064120b4f4ec49d91fe171a935825753e24213a17
[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" "7c4a9a10a9779afcae056e1064120b4f4ec49d91fe171a935825753e24213a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c4a9a10a9779afcae056e1064120b4f4ec49d91fe171a935825753e24213a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4a9a10a9779afcae056e1064120b4f4ec49d91fe171a935825753e24213a17", kill_on_drop: false }`
[INFO] [stdout] 7c4a9a10a9779afcae056e1064120b4f4ec49d91fe171a935825753e24213a17
[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" "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] [stdout] 9cf3a4c826e4ade91e718dd32f17ef673eb9b14380f290fc4e67fcbb7ccb5b36
[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" "9cf3a4c826e4ade91e718dd32f17ef673eb9b14380f290fc4e67fcbb7ccb5b36", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling syn v0.10.5
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]    Compiling serde_codegen v0.8.21
[INFO] [stderr]    Compiling serde_derive v0.8.21
[INFO] [stderr]     Checking testd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.59s
[INFO] running `Command { std: "docker" "inspect" "9cf3a4c826e4ade91e718dd32f17ef673eb9b14380f290fc4e67fcbb7ccb5b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf3a4c826e4ade91e718dd32f17ef673eb9b14380f290fc4e67fcbb7ccb5b36", kill_on_drop: false }`
[INFO] [stdout] 9cf3a4c826e4ade91e718dd32f17ef673eb9b14380f290fc4e67fcbb7ccb5b36