[INFO] fetching crate rust_swig 0.5.1...
[INFO] checking rust_swig-0.5.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate rust_swig 0.5.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust_swig 0.5.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_swig 0.5.1
[INFO] finished tweaking crates.io crate rust_swig 0.5.1
[INFO] tweaked toml for crates.io crate rust_swig 0.5.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edcaec387d9fcc27ccb315fe3053843e21166058e103e423d1c14cefeff97972
[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" "edcaec387d9fcc27ccb315fe3053843e21166058e103e423d1c14cefeff97972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edcaec387d9fcc27ccb315fe3053843e21166058e103e423d1c14cefeff97972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edcaec387d9fcc27ccb315fe3053843e21166058e103e423d1c14cefeff97972", kill_on_drop: false }`
[INFO] [stdout] edcaec387d9fcc27ccb315fe3053843e21166058e103e423d1c14cefeff97972
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87e5aa28cbb453cbef1e15d1e4ba2a29211a1004f92c85b6d185218e467aef4e
[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" "87e5aa28cbb453cbef1e15d1e4ba2a29211a1004f92c85b6d185218e467aef4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.69
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling rust_swig v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stdout] warning: field is never read: `is_old_template`
[INFO] [stdout]   --> tests/test_code_in_readme.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     is_old_template: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.05s
[INFO] running `Command { std: "docker" "inspect" "87e5aa28cbb453cbef1e15d1e4ba2a29211a1004f92c85b6d185218e467aef4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e5aa28cbb453cbef1e15d1e4ba2a29211a1004f92c85b6d185218e467aef4e", kill_on_drop: false }`
[INFO] [stdout] 87e5aa28cbb453cbef1e15d1e4ba2a29211a1004f92c85b6d185218e467aef4e