[INFO] fetching crate sagan 0.0.0...
[INFO] checking sagan-0.0.0 against beta for pr-78714
[INFO] extracting crate sagan 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sagan 0.0.0 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 sagan 0.0.0
[INFO] finished tweaking crates.io crate sagan 0.0.0
[INFO] tweaked toml for crates.io crate sagan 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7d0888a2e7d9713e6a4b85b1b87620eb852b8adf696190e0021be235083e31b3
[INFO] running `Command { std: "docker" "start" "-a" "7d0888a2e7d9713e6a4b85b1b87620eb852b8adf696190e0021be235083e31b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d0888a2e7d9713e6a4b85b1b87620eb852b8adf696190e0021be235083e31b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0888a2e7d9713e6a4b85b1b87620eb852b8adf696190e0021be235083e31b3", kill_on_drop: false }`
[INFO] [stdout] 7d0888a2e7d9713e6a4b85b1b87620eb852b8adf696190e0021be235083e31b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8dcecbd180fea855f8f2c0be969dc1bb911f73064f9728e4e5f1279d6487be45
[INFO] running `Command { std: "docker" "start" "-a" "8dcecbd180fea855f8f2c0be969dc1bb911f73064f9728e4e5f1279d6487be45", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking abscissa_core v0.5.2
[INFO] [stderr]     Checking abscissa v0.5.1
[INFO] [stderr]     Checking sagan v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.58s
[INFO] running `Command { std: "docker" "inspect" "8dcecbd180fea855f8f2c0be969dc1bb911f73064f9728e4e5f1279d6487be45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcecbd180fea855f8f2c0be969dc1bb911f73064f9728e4e5f1279d6487be45", kill_on_drop: false }`
[INFO] [stdout] 8dcecbd180fea855f8f2c0be969dc1bb911f73064f9728e4e5f1279d6487be45