[INFO] fetching crate liblet 0.2.0...
[INFO] checking liblet-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate liblet 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate liblet 0.2.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liblet 0.2.0
[INFO] finished tweaking crates.io crate liblet 0.2.0
[INFO] tweaked toml for crates.io crate liblet 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate liblet 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-sync v0.9.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ab0483b3fd8b362fe7cfb369c0c12f6763c26b71ea91e175e1144a5ee9ea369
[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" "1ab0483b3fd8b362fe7cfb369c0c12f6763c26b71ea91e175e1144a5ee9ea369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ab0483b3fd8b362fe7cfb369c0c12f6763c26b71ea91e175e1144a5ee9ea369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab0483b3fd8b362fe7cfb369c0c12f6763c26b71ea91e175e1144a5ee9ea369", kill_on_drop: false }`
[INFO] [stdout] 1ab0483b3fd8b362fe7cfb369c0c12f6763c26b71ea91e175e1144a5ee9ea369
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd93a852de27cdab791ea8fd07c0622ee6a5daf2486c400516520bdcd3a1eff
[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" "2bd93a852de27cdab791ea8fd07c0622ee6a5daf2486c400516520bdcd3a1eff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking quote v1.0.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking liblet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking version-sync v0.9.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "2bd93a852de27cdab791ea8fd07c0622ee6a5daf2486c400516520bdcd3a1eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd93a852de27cdab791ea8fd07c0622ee6a5daf2486c400516520bdcd3a1eff", kill_on_drop: false }`
[INFO] [stdout] 2bd93a852de27cdab791ea8fd07c0622ee6a5daf2486c400516520bdcd3a1eff