[INFO] fetching crate ccase 0.2.0...
[INFO] checking ccase-0.2.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate ccase 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ccase 0.2.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ccase 0.2.0
[INFO] finished tweaking crates.io crate ccase 0.2.0
[INFO] tweaked toml for crates.io crate ccase 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ccase 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c8fe9f682dc0df45ef110a1836f9cae6d4fa7821fed3881be7a2aad38371e95
[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" "6c8fe9f682dc0df45ef110a1836f9cae6d4fa7821fed3881be7a2aad38371e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c8fe9f682dc0df45ef110a1836f9cae6d4fa7821fed3881be7a2aad38371e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8fe9f682dc0df45ef110a1836f9cae6d4fa7821fed3881be7a2aad38371e95", kill_on_drop: false }`
[INFO] [stdout] 6c8fe9f682dc0df45ef110a1836f9cae6d4fa7821fed3881be7a2aad38371e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7322805d8b6957f35cd98ce5464f65548c28dfa4d5c6fe434018678b0c17a159
[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" "7322805d8b6957f35cd98ce5464f65548c28dfa4d5c6fe434018678b0c17a159", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking ccase v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.86s
[INFO] running `Command { std: "docker" "inspect" "7322805d8b6957f35cd98ce5464f65548c28dfa4d5c6fe434018678b0c17a159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7322805d8b6957f35cd98ce5464f65548c28dfa4d5c6fe434018678b0c17a159", kill_on_drop: false }`
[INFO] [stdout] 7322805d8b6957f35cd98ce5464f65548c28dfa4d5c6fe434018678b0c17a159