[INFO] cloning repository https://github.com/panoptix-za/tag-helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panoptix-za/tag-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanoptix-za%2Ftag-helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanoptix-za%2Ftag-helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a607f870e49a7b44c174938a7d1cc56ac33bf171
[INFO] checking panoptix-za/tag-helper against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanoptix-za%2Ftag-helper" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/panoptix-za/tag-helper on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/panoptix-za/tag-helper
[INFO] finished tweaking git repo https://github.com/panoptix-za/tag-helper
[INFO] tweaked toml for git repo https://github.com/panoptix-za/tag-helper written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/panoptix-za/tag-helper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a329ef32dd37bc6f0fb178c3a7816c4b4869bb81fc0109e7374c0f413234aab
[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" "8a329ef32dd37bc6f0fb178c3a7816c4b4869bb81fc0109e7374c0f413234aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a329ef32dd37bc6f0fb178c3a7816c4b4869bb81fc0109e7374c0f413234aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a329ef32dd37bc6f0fb178c3a7816c4b4869bb81fc0109e7374c0f413234aab", kill_on_drop: false }`
[INFO] [stdout] 8a329ef32dd37bc6f0fb178c3a7816c4b4869bb81fc0109e7374c0f413234aab
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfd4a20c49b9a39129ef6b6f05f2d80329d41c1ea107387bbf1fd6db317a049e
[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" "dfd4a20c49b9a39129ef6b6f05f2d80329d41c1ea107387bbf1fd6db317a049e", kill_on_drop: false }`
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling libssh2-sys v0.2.7
[INFO] [stderr]    Compiling curl-sys v0.4.5
[INFO] [stderr]    Compiling libgit2-sys v0.7.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking git2 v0.7.2
[INFO] [stderr]     Checking tag-helper v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/main.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 let tag = tag.trim_left_matches('v');
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/main.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 let tag = tag.trim_left_matches('v');
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 08s
[INFO] running `Command { std: "docker" "inspect" "dfd4a20c49b9a39129ef6b6f05f2d80329d41c1ea107387bbf1fd6db317a049e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd4a20c49b9a39129ef6b6f05f2d80329d41c1ea107387bbf1fd6db317a049e", kill_on_drop: false }`
[INFO] [stdout] dfd4a20c49b9a39129ef6b6f05f2d80329d41c1ea107387bbf1fd6db317a049e