[INFO] cloning repository https://github.com/stevenliatti/tag_manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevenliatti/tag_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenliatti%2Ftag_manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenliatti%2Ftag_manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10a14e4dbae17c9f45949ec6f66689634868fd46
[INFO] checking stevenliatti/tag_manager against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenliatti%2Ftag_manager" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenliatti/tag_manager on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevenliatti/tag_manager
[INFO] finished tweaking git repo https://github.com/stevenliatti/tag_manager
[INFO] tweaked toml for git repo https://github.com/stevenliatti/tag_manager written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/stevenliatti/tag_manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] 49934b5e04be1812b193f8d83e03a62808f0dcd3c830a644fb153a762f138b54
[INFO] running `Command { std: "docker" "start" "-a" "49934b5e04be1812b193f8d83e03a62808f0dcd3c830a644fb153a762f138b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49934b5e04be1812b193f8d83e03a62808f0dcd3c830a644fb153a762f138b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49934b5e04be1812b193f8d83e03a62808f0dcd3c830a644fb153a762f138b54", kill_on_drop: false }`
[INFO] [stdout] 49934b5e04be1812b193f8d83e03a62808f0dcd3c830a644fb153a762f138b54
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e2af84c9d5d963eb655a49ac61bcd9ea251e5d64c9e9ee15548107d6d3fa47
[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" "c1e2af84c9d5d963eb655a49ac61bcd9ea251e5d64c9e9ee15548107d6d3fa47", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking xattr v0.2.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking tag_manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:278:40
[INFO] [stdout]     |
[INFO] [stdout] 278 |         tags.insert("max".to_string());;
[INFO] [stdout]     |                                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 7.06s
[INFO] running `Command { std: "docker" "inspect" "c1e2af84c9d5d963eb655a49ac61bcd9ea251e5d64c9e9ee15548107d6d3fa47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e2af84c9d5d963eb655a49ac61bcd9ea251e5d64c9e9ee15548107d6d3fa47", kill_on_drop: false }`
[INFO] [stdout] c1e2af84c9d5d963eb655a49ac61bcd9ea251e5d64c9e9ee15548107d6d3fa47