[INFO] fetching crate magrathea 0.0.1...
[INFO] checking magrathea-0.0.1 against beta for pr-78714
[INFO] extracting crate magrathea 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate magrathea 0.0.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magrathea 0.0.1
[INFO] finished tweaking crates.io crate magrathea 0.0.1
[INFO] tweaked toml for crates.io crate magrathea 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate magrathea 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] a4e25e1139e72c0e3b253b534e68ace2f1250a66046fb5198edfbc2fd10996a0
[INFO] running `Command { std: "docker" "start" "-a" "a4e25e1139e72c0e3b253b534e68ace2f1250a66046fb5198edfbc2fd10996a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4e25e1139e72c0e3b253b534e68ace2f1250a66046fb5198edfbc2fd10996a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e25e1139e72c0e3b253b534e68ace2f1250a66046fb5198edfbc2fd10996a0", kill_on_drop: false }`
[INFO] [stdout] a4e25e1139e72c0e3b253b534e68ace2f1250a66046fb5198edfbc2fd10996a0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] ada6d673c9e413bf26f379e6ddbff025b125ff7821475b3dda5c123bd4786da8
[INFO] running `Command { std: "docker" "start" "-a" "ada6d673c9e413bf26f379e6ddbff025b125ff7821475b3dda5c123bd4786da8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking clamp v0.1.0
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking sorted-vec v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.22.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]     Checking spade v1.8.2
[INFO] [stderr]     Checking magrathea v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.59s
[INFO] running `Command { std: "docker" "inspect" "ada6d673c9e413bf26f379e6ddbff025b125ff7821475b3dda5c123bd4786da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada6d673c9e413bf26f379e6ddbff025b125ff7821475b3dda5c123bd4786da8", kill_on_drop: false }`
[INFO] [stdout] ada6d673c9e413bf26f379e6ddbff025b125ff7821475b3dda5c123bd4786da8