[INFO] fetching crate atelier_describe 0.1.2...
[INFO] checking atelier_describe-0.1.2 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate atelier_describe 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate atelier_describe 0.1.2 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atelier_describe 0.1.2
[INFO] finished tweaking crates.io crate atelier_describe 0.1.2
[INFO] tweaked toml for crates.io crate atelier_describe 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e616ae4a56ae2a6cd3f7d4eb8d227480ae0edd8d712e9086e1c5583ed411c49a
[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" "e616ae4a56ae2a6cd3f7d4eb8d227480ae0edd8d712e9086e1c5583ed411c49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e616ae4a56ae2a6cd3f7d4eb8d227480ae0edd8d712e9086e1c5583ed411c49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e616ae4a56ae2a6cd3f7d4eb8d227480ae0edd8d712e9086e1c5583ed411c49a", kill_on_drop: false }`
[INFO] [stdout] e616ae4a56ae2a6cd3f7d4eb8d227480ae0edd8d712e9086e1c5583ed411c49a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54566d15d14a85547e3d56f54de11a78d265e02ab9f724e147abc3b7887a38d7
[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" "54566d15d14a85547e3d56f54de11a78d265e02ab9f724e147abc3b7887a38d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking blob-uuid v0.4.0
[INFO] [stderr]     Checking atelier_core v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking somedoc v0.2.9
[INFO] [stderr]     Checking atelier_describe v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.23s
[INFO] running `Command { std: "docker" "inspect" "54566d15d14a85547e3d56f54de11a78d265e02ab9f724e147abc3b7887a38d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54566d15d14a85547e3d56f54de11a78d265e02ab9f724e147abc3b7887a38d7", kill_on_drop: false }`
[INFO] [stdout] 54566d15d14a85547e3d56f54de11a78d265e02ab9f724e147abc3b7887a38d7