[INFO] fetching crate reaper-medium 0.1.0...
[INFO] checking reaper-medium-0.1.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate reaper-medium 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate reaper-medium 0.1.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reaper-medium 0.1.0
[INFO] finished tweaking crates.io crate reaper-medium 0.1.0
[INFO] tweaked toml for crates.io crate reaper-medium 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vst v0.2.0
[INFO] [stderr]   Downloaded c_str_macro v1.0.2
[INFO] [stderr]   Downloaded reaper-low v0.1.0
[INFO] [stderr]   Downloaded helgoboss-midi v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", 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] 093fa1493a556ef3bf685dfa8eb59cb74728ffcf752b358fa5cdece0ea1d4c62
[INFO] running `Command { std: "docker" "start" "-a" "093fa1493a556ef3bf685dfa8eb59cb74728ffcf752b358fa5cdece0ea1d4c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "093fa1493a556ef3bf685dfa8eb59cb74728ffcf752b358fa5cdece0ea1d4c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093fa1493a556ef3bf685dfa8eb59cb74728ffcf752b358fa5cdece0ea1d4c62", kill_on_drop: false }`
[INFO] [stdout] 093fa1493a556ef3bf685dfa8eb59cb74728ffcf752b358fa5cdece0ea1d4c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b614e96bcacac057681372fa55255b34fe11b11a995d75304d51d13199b0f5
[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" "16b614e96bcacac057681372fa55255b34fe11b11a995d75304d51d13199b0f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking c_str_macro v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling reaper-low v0.1.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking num-traits v0.2.12
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking vst v0.2.0
[INFO] [stderr]     Checking syn v1.0.40
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking helgoboss-midi v0.1.0
[INFO] [stderr]     Checking reaper-medium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "16b614e96bcacac057681372fa55255b34fe11b11a995d75304d51d13199b0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b614e96bcacac057681372fa55255b34fe11b11a995d75304d51d13199b0f5", kill_on_drop: false }`
[INFO] [stdout] 16b614e96bcacac057681372fa55255b34fe11b11a995d75304d51d13199b0f5