[INFO] fetching crate qmc 2.17.1...
[INFO] checking qmc-2.17.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate qmc 2.17.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate qmc 2.17.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qmc 2.17.1
[INFO] finished tweaking crates.io crate qmc 2.17.1
[INFO] tweaked toml for crates.io crate qmc 2.17.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate qmc 2.17.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d04862e5a15e375ca3d1746641bfc09526c96d1a3f5f90516f83f8341ae84a1f
[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" "d04862e5a15e375ca3d1746641bfc09526c96d1a3f5f90516f83f8341ae84a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d04862e5a15e375ca3d1746641bfc09526c96d1a3f5f90516f83f8341ae84a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04862e5a15e375ca3d1746641bfc09526c96d1a3f5f90516f83f8341ae84a1f", kill_on_drop: false }`
[INFO] [stdout] d04862e5a15e375ca3d1746641bfc09526c96d1a3f5f90516f83f8341ae84a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 94e555e781acabce0028c47287dcc9c0c135a86e50f5fcbb972f538d47f35043
[INFO] running `Command { std: "docker" "start" "-a" "94e555e781acabce0028c47287dcc9c0c135a86e50f5fcbb972f538d47f35043", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_isaac v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking qmc v2.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.57s
[INFO] running `Command { std: "docker" "inspect" "94e555e781acabce0028c47287dcc9c0c135a86e50f5fcbb972f538d47f35043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e555e781acabce0028c47287dcc9c0c135a86e50f5fcbb972f538d47f35043", kill_on_drop: false }`
[INFO] [stdout] 94e555e781acabce0028c47287dcc9c0c135a86e50f5fcbb972f538d47f35043