[INFO] fetching crate lutz 1.1.1...
[INFO] checking lutz-1.1.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate lutz 1.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lutz 1.1.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lutz 1.1.1
[INFO] finished tweaking crates.io crate lutz 1.1.1
[INFO] tweaked toml for crates.io crate lutz 1.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate lutz 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e809254aaac40cfb1123e74c6240b502a5a90eafb1dd33c8e1afc9aa024cd9a4
[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" "e809254aaac40cfb1123e74c6240b502a5a90eafb1dd33c8e1afc9aa024cd9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e809254aaac40cfb1123e74c6240b502a5a90eafb1dd33c8e1afc9aa024cd9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e809254aaac40cfb1123e74c6240b502a5a90eafb1dd33c8e1afc9aa024cd9a4", kill_on_drop: false }`
[INFO] [stdout] e809254aaac40cfb1123e74c6240b502a5a90eafb1dd33c8e1afc9aa024cd9a4
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] f7281eeaf66b684ed77055da2f8745e300a90421b32b33bea329b43e71205970
[INFO] running `Command { std: "docker" "start" "-a" "f7281eeaf66b684ed77055da2f8745e300a90421b32b33bea329b43e71205970", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking genawaiter v0.99.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]     Checking lutz v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking imageproc v0.22.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.31s
[INFO] running `Command { std: "docker" "inspect" "f7281eeaf66b684ed77055da2f8745e300a90421b32b33bea329b43e71205970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7281eeaf66b684ed77055da2f8745e300a90421b32b33bea329b43e71205970", kill_on_drop: false }`
[INFO] [stdout] f7281eeaf66b684ed77055da2f8745e300a90421b32b33bea329b43e71205970