[INFO] cloning repository https://github.com/MegatonHammer/linkle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MegatonHammer/linkle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegatonHammer%2Flinkle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegatonHammer%2Flinkle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e7abfecec1578ad97da601855c33e26416d7c1a
[INFO] checking MegatonHammer/linkle against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegatonHammer%2Flinkle" "/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/MegatonHammer/linkle on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MegatonHammer/linkle
[INFO] finished tweaking git repo https://github.com/MegatonHammer/linkle
[INFO] tweaked toml for git repo https://github.com/MegatonHammer/linkle written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MegatonHammer/linkle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] ab3d66a63814ed014e20eccecadc0ca2e92ffb54e39363efd5b4a2f6c085c4e2
[INFO] running `Command { std: "docker" "start" "-a" "ab3d66a63814ed014e20eccecadc0ca2e92ffb54e39363efd5b4a2f6c085c4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab3d66a63814ed014e20eccecadc0ca2e92ffb54e39363efd5b4a2f6c085c4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3d66a63814ed014e20eccecadc0ca2e92ffb54e39363efd5b4a2f6c085c4e2", kill_on_drop: false }`
[INFO] [stdout] ab3d66a63814ed014e20eccecadc0ca2e92ffb54e39363efd5b4a2f6c085c4e2
[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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] 9db21d3a08feb3a60d9d3a2dd1e670d56bab4851ed7b6d27c2d5a7bfb159b243
[INFO] running `Command { std: "docker" "start" "-a" "9db21d3a08feb3a60d9d3a2dd1e670d56bab4851ed7b6d27c2d5a7bfb159b243", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking ahash v0.4.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking blz-nx v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking cipher v0.2.1
[INFO] [stderr]     Checking dbl v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aes-soft v0.6.2
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking cmac v0.5.1
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking ordered-multimap v0.3.0
[INFO] [stderr]     Checking rust-ini v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking linkle v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "9db21d3a08feb3a60d9d3a2dd1e670d56bab4851ed7b6d27c2d5a7bfb159b243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db21d3a08feb3a60d9d3a2dd1e670d56bab4851ed7b6d27c2d5a7bfb159b243", kill_on_drop: false }`
[INFO] [stdout] 9db21d3a08feb3a60d9d3a2dd1e670d56bab4851ed7b6d27c2d5a7bfb159b243