[INFO] fetching crate cvars 0.1.0...
[INFO] checking cvars-0.1.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate cvars 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cvars 0.1.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cvars 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cvars 0.1.0
[INFO] tweaked toml for crates.io crate cvars 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cvars 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd3a9875c6b7a800dfbeb478442be934ccb5f45c534fa57e9afc260f96e185f1
[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" "dd3a9875c6b7a800dfbeb478442be934ccb5f45c534fa57e9afc260f96e185f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd3a9875c6b7a800dfbeb478442be934ccb5f45c534fa57e9afc260f96e185f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3a9875c6b7a800dfbeb478442be934ccb5f45c534fa57e9afc260f96e185f1", kill_on_drop: false }`
[INFO] [stdout] dd3a9875c6b7a800dfbeb478442be934ccb5f45c534fa57e9afc260f96e185f1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] ae0b7638c6db2f6fdbb17874a36b3bebd0082fe15b19f04ee17fd2706b3c2888
[INFO] running `Command { std: "docker" "start" "-a" "ae0b7638c6db2f6fdbb17874a36b3bebd0082fe15b19f04ee17fd2706b3c2888", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling trybuild v1.0.43
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking cvars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.78s
[INFO] running `Command { std: "docker" "inspect" "ae0b7638c6db2f6fdbb17874a36b3bebd0082fe15b19f04ee17fd2706b3c2888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0b7638c6db2f6fdbb17874a36b3bebd0082fe15b19f04ee17fd2706b3c2888", kill_on_drop: false }`
[INFO] [stdout] ae0b7638c6db2f6fdbb17874a36b3bebd0082fe15b19f04ee17fd2706b3c2888