[INFO] fetching crate storylets 0.5.0...
[INFO] checking storylets-0.5.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate storylets 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate storylets 0.5.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate storylets 0.5.0
[INFO] finished tweaking crates.io crate storylets 0.5.0
[INFO] tweaked toml for crates.io crate storylets 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate storylets 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded throne v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10595f668e0b3827fb1c2549cd5593fd0c3fc423ee222e9c587d0c134cee77a4
[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" "10595f668e0b3827fb1c2549cd5593fd0c3fc423ee222e9c587d0c134cee77a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10595f668e0b3827fb1c2549cd5593fd0c3fc423ee222e9c587d0c134cee77a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10595f668e0b3827fb1c2549cd5593fd0c3fc423ee222e9c587d0c134cee77a4", kill_on_drop: false }`
[INFO] [stdout] 10595f668e0b3827fb1c2549cd5593fd0c3fc423ee222e9c587d0c134cee77a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 101f9bfedb5ae0b401002fb4043376c2bdabdc62cf83e3fa6f2ed44655fcca67
[INFO] running `Command { std: "docker" "start" "-a" "101f9bfedb5ae0b401002fb4043376c2bdabdc62cf83e3fa6f2ed44655fcca67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking throne v0.3.0
[INFO] [stderr]     Checking storylets v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.24s
[INFO] running `Command { std: "docker" "inspect" "101f9bfedb5ae0b401002fb4043376c2bdabdc62cf83e3fa6f2ed44655fcca67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101f9bfedb5ae0b401002fb4043376c2bdabdc62cf83e3fa6f2ed44655fcca67", kill_on_drop: false }`
[INFO] [stdout] 101f9bfedb5ae0b401002fb4043376c2bdabdc62cf83e3fa6f2ed44655fcca67