[INFO] fetching crate alkahest 0.1.5...
[INFO] checking alkahest-0.1.5 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate alkahest 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate alkahest 0.1.5 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alkahest 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alkahest 0.1.5
[INFO] tweaked toml for crates.io crate alkahest 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate alkahest 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3fe511066f0c146fcfd4819f7ba65fd8bb7dda004264d9dddb79b360ead257f
[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" "d3fe511066f0c146fcfd4819f7ba65fd8bb7dda004264d9dddb79b360ead257f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3fe511066f0c146fcfd4819f7ba65fd8bb7dda004264d9dddb79b360ead257f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fe511066f0c146fcfd4819f7ba65fd8bb7dda004264d9dddb79b360ead257f", kill_on_drop: false }`
[INFO] [stdout] d3fe511066f0c146fcfd4819f7ba65fd8bb7dda004264d9dddb79b360ead257f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ac1598942b6d84f877e701bda6025ea5d2370b2c2d7ac2997a546a5443b72a
[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" "a6ac1598942b6d84f877e701bda6025ea5d2370b2c2d7ac2997a546a5443b72a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling bytecheck v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling rend v0.3.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling rkyv v0.7.16
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking alkahest v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.5
[INFO] [stderr]    Compiling rkyv_derive v0.7.16
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "a6ac1598942b6d84f877e701bda6025ea5d2370b2c2d7ac2997a546a5443b72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ac1598942b6d84f877e701bda6025ea5d2370b2c2d7ac2997a546a5443b72a", kill_on_drop: false }`
[INFO] [stdout] a6ac1598942b6d84f877e701bda6025ea5d2370b2c2d7ac2997a546a5443b72a