[INFO] fetching crate tract-nnef 0.11.1...
[INFO] checking tract-nnef-0.11.1 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate tract-nnef 0.11.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tract-nnef 0.11.1 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tract-nnef 0.11.1
[INFO] finished tweaking crates.io crate tract-nnef 0.11.1
[INFO] tweaked toml for crates.io crate tract-nnef 0.11.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9b72196f7d7ecae0680ab559bc545d74dee7d42d3bab134fa54ea78400e4c06
[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" "f9b72196f7d7ecae0680ab559bc545d74dee7d42d3bab134fa54ea78400e4c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9b72196f7d7ecae0680ab559bc545d74dee7d42d3bab134fa54ea78400e4c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b72196f7d7ecae0680ab559bc545d74dee7d42d3bab134fa54ea78400e4c06", kill_on_drop: false }`
[INFO] [stdout] f9b72196f7d7ecae0680ab559bc545d74dee7d42d3bab134fa54ea78400e4c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] cbb4bc8716883c20c225b9e64defc2fa7549bac29c2794dac25fe4c6dbf56165
[INFO] running `Command { std: "docker" "start" "-a" "cbb4bc8716883c20c225b9e64defc2fa7549bac29c2794dac25fe4c6dbf56165", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking dyn-clone v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking ndarray v0.13.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling liquid-derive v0.21.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling educe v0.4.11
[INFO] [stderr]     Checking tract-data v0.11.2
[INFO] [stderr]    Compiling kstring v1.0.0
[INFO] [stderr]    Compiling liquid-core v0.21.2
[INFO] [stderr]    Compiling liquid-lib v0.21.1
[INFO] [stderr]    Compiling liquid v0.21.4
[INFO] [stderr]    Compiling tract-linalg v0.11.2
[INFO] [stderr]     Checking tract-core v0.11.2
[INFO] [stderr]     Checking tract-nnef v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 42s
[INFO] running `Command { std: "docker" "inspect" "cbb4bc8716883c20c225b9e64defc2fa7549bac29c2794dac25fe4c6dbf56165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb4bc8716883c20c225b9e64defc2fa7549bac29c2794dac25fe4c6dbf56165", kill_on_drop: false }`
[INFO] [stdout] cbb4bc8716883c20c225b9e64defc2fa7549bac29c2794dac25fe4c6dbf56165