[INFO] fetching crate cuna 0.6.0...
[INFO] checking cuna-0.6.0 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate cuna 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cuna 0.6.0 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuna 0.6.0
[INFO] finished tweaking crates.io crate cuna 0.6.0
[INFO] tweaked toml for crates.io crate cuna 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cuna 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bebee9e862d743284ecda0e84e4da20acc1fba75813593b9c56c0e4951bd05d
[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" "8bebee9e862d743284ecda0e84e4da20acc1fba75813593b9c56c0e4951bd05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bebee9e862d743284ecda0e84e4da20acc1fba75813593b9c56c0e4951bd05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bebee9e862d743284ecda0e84e4da20acc1fba75813593b9c56c0e4951bd05d", kill_on_drop: false }`
[INFO] [stdout] 8bebee9e862d743284ecda0e84e4da20acc1fba75813593b9c56c0e4951bd05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 935d57b1b4bb547f03605e17c7ffcffdc58269760c069b2b515676db4ab3a880
[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" "935d57b1b4bb547f03605e17c7ffcffdc58269760c069b2b515676db4ab3a880", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking cuna v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.79s
[INFO] running `Command { std: "docker" "inspect" "935d57b1b4bb547f03605e17c7ffcffdc58269760c069b2b515676db4ab3a880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935d57b1b4bb547f03605e17c7ffcffdc58269760c069b2b515676db4ab3a880", kill_on_drop: false }`
[INFO] [stdout] 935d57b1b4bb547f03605e17c7ffcffdc58269760c069b2b515676db4ab3a880