[INFO] fetching crate qwest_r 0.2.0...
[INFO] checking qwest_r-0.2.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate qwest_r 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate qwest_r 0.2.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qwest_r 0.2.0
[INFO] finished tweaking crates.io crate qwest_r 0.2.0
[INFO] tweaked toml for crates.io crate qwest_r 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate qwest_r 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51ec05aec2eea243158d5a733b10afaf5d2e0e1744d08a0a1c63fe1d2e8b4643
[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" "51ec05aec2eea243158d5a733b10afaf5d2e0e1744d08a0a1c63fe1d2e8b4643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ec05aec2eea243158d5a733b10afaf5d2e0e1744d08a0a1c63fe1d2e8b4643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ec05aec2eea243158d5a733b10afaf5d2e0e1744d08a0a1c63fe1d2e8b4643", kill_on_drop: false }`
[INFO] [stdout] 51ec05aec2eea243158d5a733b10afaf5d2e0e1744d08a0a1c63fe1d2e8b4643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1adfd416cb105ee0f349712984b8ee61450649910f05f1d58d20789be20d3a2a
[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" "1adfd416cb105ee0f349712984b8ee61450649910f05f1d58d20789be20d3a2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking qwest_r v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.52s
[INFO] running `Command { std: "docker" "inspect" "1adfd416cb105ee0f349712984b8ee61450649910f05f1d58d20789be20d3a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1adfd416cb105ee0f349712984b8ee61450649910f05f1d58d20789be20d3a2a", kill_on_drop: false }`
[INFO] [stdout] 1adfd416cb105ee0f349712984b8ee61450649910f05f1d58d20789be20d3a2a