[INFO] fetching crate spurs 0.9.1...
[INFO] checking spurs-0.9.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate spurs 0.9.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate spurs 0.9.1 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 spurs 0.9.1
[INFO] finished tweaking crates.io crate spurs 0.9.1
[INFO] tweaked toml for crates.io crate spurs 0.9.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c20581e3e1fa0e814443deed422989d0f72a1673c346a93730aaf02853b48b3a
[INFO] running `Command { std: "docker" "start" "-a" "c20581e3e1fa0e814443deed422989d0f72a1673c346a93730aaf02853b48b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c20581e3e1fa0e814443deed422989d0f72a1673c346a93730aaf02853b48b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20581e3e1fa0e814443deed422989d0f72a1673c346a93730aaf02853b48b3a", kill_on_drop: false }`
[INFO] [stdout] c20581e3e1fa0e814443deed422989d0f72a1673c346a93730aaf02853b48b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0efeff45ea20c1ae9cdd33a18eae695ce94805ceb8200936bae185e1f23c21e2
[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" "0efeff45ea20c1ae9cdd33a18eae695ce94805ceb8200936bae185e1f23c21e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking ssh2 v0.3.3
[INFO] [stderr]     Checking spurs v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.06s
[INFO] running `Command { std: "docker" "inspect" "0efeff45ea20c1ae9cdd33a18eae695ce94805ceb8200936bae185e1f23c21e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efeff45ea20c1ae9cdd33a18eae695ce94805ceb8200936bae185e1f23c21e2", kill_on_drop: false }`
[INFO] [stdout] 0efeff45ea20c1ae9cdd33a18eae695ce94805ceb8200936bae185e1f23c21e2