[INFO] fetching crate mozrunner 0.12.1...
[INFO] checking mozrunner-0.12.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate mozrunner 0.12.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mozrunner 0.12.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mozrunner 0.12.1
[INFO] finished tweaking crates.io crate mozrunner 0.12.1
[INFO] tweaked toml for crates.io crate mozrunner 0.12.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mozrunner 0.12.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] 27566ddb1bf4fff37f45620dd8ca9f6b64a0f9efac76f5c17e7d4663f81f5d94
[INFO] running `Command { std: "docker" "start" "-a" "27566ddb1bf4fff37f45620dd8ca9f6b64a0f9efac76f5c17e7d4663f81f5d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27566ddb1bf4fff37f45620dd8ca9f6b64a0f9efac76f5c17e7d4663f81f5d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27566ddb1bf4fff37f45620dd8ca9f6b64a0f9efac76f5c17e7d4663f81f5d94", kill_on_drop: false }`
[INFO] [stdout] 27566ddb1bf4fff37f45620dd8ca9f6b64a0f9efac76f5c17e7d4663f81f5d94
[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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 920db1263dd96bb858a8a94d849c2e8ff373443f903179f6cd13126a0be668a6
[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" "920db1263dd96bb858a8a94d849c2e8ff373443f903179f6cd13126a0be668a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mozprofile v0.7.1
[INFO] [stderr]     Checking plist v0.5.5
[INFO] [stderr]     Checking mozrunner v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.96s
[INFO] running `Command { std: "docker" "inspect" "920db1263dd96bb858a8a94d849c2e8ff373443f903179f6cd13126a0be668a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920db1263dd96bb858a8a94d849c2e8ff373443f903179f6cd13126a0be668a6", kill_on_drop: false }`
[INFO] [stdout] 920db1263dd96bb858a8a94d849c2e8ff373443f903179f6cd13126a0be668a6