[INFO] fetching crate dinky 0.2.1...
[INFO] checking dinky-0.2.1 against beta for pr-78714
[INFO] extracting crate dinky 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dinky 0.2.1 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 dinky 0.2.1
[INFO] finished tweaking crates.io crate dinky 0.2.1
[INFO] tweaked toml for crates.io crate dinky 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate dinky 0.2.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mime_guess v1.8.7
[INFO] [stderr]   Downloaded params v0.8.0
[INFO] [stderr]   Downloaded harsh v0.1.6
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/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] ff4c55908db65d614524621f92b1a5a74f765c45ff9b9e34720b6252626986eb
[INFO] running `Command { std: "docker" "start" "-a" "ff4c55908db65d614524621f92b1a5a74f765c45ff9b9e34720b6252626986eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff4c55908db65d614524621f92b1a5a74f765c45ff9b9e34720b6252626986eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4c55908db65d614524621f92b1a5a74f765c45ff9b9e34720b6252626986eb", kill_on_drop: false }`
[INFO] [stdout] ff4c55908db65d614524621f92b1a5a74f765c45ff9b9e34720b6252626986eb
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8755c4ea84f0e491dca10aeaa530fe8c1dd0fdcab6d1d0f81d7d95fc73e4ac51
[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" "8755c4ea84f0e491dca10aeaa530fe8c1dd0fdcab6d1d0f81d7d95fc73e4ac51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]    Compiling dinky v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking harsh v0.1.6
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking urlencoded v0.6.0
[INFO] [stderr]     Checking params v0.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "8755c4ea84f0e491dca10aeaa530fe8c1dd0fdcab6d1d0f81d7d95fc73e4ac51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8755c4ea84f0e491dca10aeaa530fe8c1dd0fdcab6d1d0f81d7d95fc73e4ac51", kill_on_drop: false }`
[INFO] [stdout] 8755c4ea84f0e491dca10aeaa530fe8c1dd0fdcab6d1d0f81d7d95fc73e4ac51