[INFO] fetching crate billboard 0.1.0...
[INFO] checking billboard-0.1.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate billboard 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate billboard 0.1.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate billboard 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate billboard 0.1.0
[INFO] tweaked toml for crates.io crate billboard 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate billboard 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4a2e8b169e9f815015e89301d323b9f3288d08330979eb691e05919343d1859
[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" "a4a2e8b169e9f815015e89301d323b9f3288d08330979eb691e05919343d1859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a2e8b169e9f815015e89301d323b9f3288d08330979eb691e05919343d1859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a2e8b169e9f815015e89301d323b9f3288d08330979eb691e05919343d1859", kill_on_drop: false }`
[INFO] [stdout] a4a2e8b169e9f815015e89301d323b9f3288d08330979eb691e05919343d1859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7e5bebb82fa21b630d80bbe008dff29eb7e59ed8f7994397da5575bc20c7da8
[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" "b7e5bebb82fa21b630d80bbe008dff29eb7e59ed8f7994397da5575bc20c7da8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking billboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.55s
[INFO] running `Command { std: "docker" "inspect" "b7e5bebb82fa21b630d80bbe008dff29eb7e59ed8f7994397da5575bc20c7da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e5bebb82fa21b630d80bbe008dff29eb7e59ed8f7994397da5575bc20c7da8", kill_on_drop: false }`
[INFO] [stdout] b7e5bebb82fa21b630d80bbe008dff29eb7e59ed8f7994397da5575bc20c7da8