[INFO] updating cached repository https://github.com/joeyfb/twiggy-usage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 087e01a69ef3998c60f09896452c11c652e9add9
[INFO] testing joeyfb/twiggy-usage against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyfb%2Ftwiggy-usage" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joeyfb/twiggy-usage on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joeyfb/twiggy-usage
[INFO] finished tweaking git repo https://github.com/joeyfb/twiggy-usage
[INFO] tweaked toml for git repo https://github.com/joeyfb/twiggy-usage written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/joeyfb/twiggy-usage already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 656d8afd8081747c28d164c644f425b9feee962aa8c163e627c438b419cf17af
[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" "656d8afd8081747c28d164c644f425b9feee962aa8c163e627c438b419cf17af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656d8afd8081747c28d164c644f425b9feee962aa8c163e627c438b419cf17af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656d8afd8081747c28d164c644f425b9feee962aa8c163e627c438b419cf17af", kill_on_drop: false }`
[INFO] [stdout] 656d8afd8081747c28d164c644f425b9feee962aa8c163e627c438b419cf17af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6bf30aa58028c87f51e568412f1013809933e1bc3b3e7f85c03aeae86fdcd57
[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" "a6bf30aa58028c87f51e568412f1013809933e1bc3b3e7f85c03aeae86fdcd57", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling wasmparser v0.31.1
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling parity-wasm v0.38.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling cpp_demangle v0.2.14
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling gimli v0.18.0
[INFO] [stderr]    Compiling bstr v0.2.11
[INFO] [stderr]    Compiling goblin v0.0.22
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling twiggy-opt v0.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling object v0.12.0
[INFO] [stderr]    Compiling twiggy-ir v0.6.0
[INFO] [stderr]    Compiling twiggy-traits v0.6.0
[INFO] [stderr]    Compiling twiggy-parser v0.6.0
[INFO] [stderr]    Compiling twiggy-analyze v0.6.0
[INFO] [stderr]    Compiling uses-twiggy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "a6bf30aa58028c87f51e568412f1013809933e1bc3b3e7f85c03aeae86fdcd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bf30aa58028c87f51e568412f1013809933e1bc3b3e7f85c03aeae86fdcd57", kill_on_drop: false }`
[INFO] [stdout] a6bf30aa58028c87f51e568412f1013809933e1bc3b3e7f85c03aeae86fdcd57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed22e7a0f46b7d95e67fa96e4ef00706d3aac59a700bc6b55e076552f17be3f6
[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" "ed22e7a0f46b7d95e67fa96e4ef00706d3aac59a700bc6b55e076552f17be3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling uses-twiggy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "ed22e7a0f46b7d95e67fa96e4ef00706d3aac59a700bc6b55e076552f17be3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed22e7a0f46b7d95e67fa96e4ef00706d3aac59a700bc6b55e076552f17be3f6", kill_on_drop: false }`
[INFO] [stdout] ed22e7a0f46b7d95e67fa96e4ef00706d3aac59a700bc6b55e076552f17be3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39ee710a1049d18a1ab134c0fc497ea5d7af217f772cfda25e8924b927398148
[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" "39ee710a1049d18a1ab134c0fc497ea5d7af217f772cfda25e8924b927398148", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uses_twiggy-161136521134adb9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39ee710a1049d18a1ab134c0fc497ea5d7af217f772cfda25e8924b927398148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ee710a1049d18a1ab134c0fc497ea5d7af217f772cfda25e8924b927398148", kill_on_drop: false }`
[INFO] [stdout] 39ee710a1049d18a1ab134c0fc497ea5d7af217f772cfda25e8924b927398148