[INFO] fetching crate pytrace 0.3.3...
[INFO] checking pytrace-0.3.3 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate pytrace 0.3.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pytrace 0.3.3 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pytrace 0.3.3
[INFO] finished tweaking crates.io crate pytrace 0.3.3
[INFO] tweaked toml for crates.io crate pytrace 0.3.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef1b68e68e7147f0366765890dc9e0c7cebfa7f70cbde6f212cdb77e3707e8fe
[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" "ef1b68e68e7147f0366765890dc9e0c7cebfa7f70cbde6f212cdb77e3707e8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef1b68e68e7147f0366765890dc9e0c7cebfa7f70cbde6f212cdb77e3707e8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1b68e68e7147f0366765890dc9e0c7cebfa7f70cbde6f212cdb77e3707e8fe", kill_on_drop: false }`
[INFO] [stdout] ef1b68e68e7147f0366765890dc9e0c7cebfa7f70cbde6f212cdb77e3707e8fe
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 413d9c036c0c2abdf85143a4dc522958bd76df03d76b08d191d8df9b0f7c6f1e
[INFO] running `Command { std: "docker" "start" "-a" "413d9c036c0c2abdf85143a4dc522958bd76df03d76b08d191d8df9b0f7c6f1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling pyo3 v0.10.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pytrace_core v0.2.5
[INFO] [stderr]    Compiling pyo3-derive-backend v0.10.1
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling pyo3cls v0.10.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking pytrace v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.38s
[INFO] running `Command { std: "docker" "inspect" "413d9c036c0c2abdf85143a4dc522958bd76df03d76b08d191d8df9b0f7c6f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413d9c036c0c2abdf85143a4dc522958bd76df03d76b08d191d8df9b0f7c6f1e", kill_on_drop: false }`
[INFO] [stdout] 413d9c036c0c2abdf85143a4dc522958bd76df03d76b08d191d8df9b0f7c6f1e