[INFO] cloning repository https://github.com/ausername-1/learningrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ausername-1/learningrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fausername-1%2Flearningrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fausername-1%2Flearningrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e71cae57bda805957a4139988f0a4305e39aaf4c
[INFO] testing ausername-1/learningrust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fausername-1%2Flearningrust" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ausername-1/learningrust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ausername-1/learningrust
[INFO] finished tweaking git repo https://github.com/ausername-1/learningrust
[INFO] tweaked toml for git repo https://github.com/ausername-1/learningrust written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/ausername-1/learningrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8568fee5238186623074e307375c2e05f74e14803c5d4fc525955e2770daa65
[INFO] running `Command { std: "docker" "start" "-a" "a8568fee5238186623074e307375c2e05f74e14803c5d4fc525955e2770daa65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8568fee5238186623074e307375c2e05f74e14803c5d4fc525955e2770daa65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8568fee5238186623074e307375c2e05f74e14803c5d4fc525955e2770daa65", kill_on_drop: false }`
[INFO] [stdout] a8568fee5238186623074e307375c2e05f74e14803c5d4fc525955e2770daa65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e53b6220bb4ea7c5fac83287c9cd6a9630d64b6fcbcd1a14a15a9c340540e799
[INFO] running `Command { std: "docker" "start" "-a" "e53b6220bb4ea7c5fac83287c9cd6a9630d64b6fcbcd1a14a15a9c340540e799", kill_on_drop: false }`
[INFO] [stderr]    Compiling learningrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e53b6220bb4ea7c5fac83287c9cd6a9630d64b6fcbcd1a14a15a9c340540e799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53b6220bb4ea7c5fac83287c9cd6a9630d64b6fcbcd1a14a15a9c340540e799", kill_on_drop: false }`
[INFO] [stdout] e53b6220bb4ea7c5fac83287c9cd6a9630d64b6fcbcd1a14a15a9c340540e799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45819f9c50a36b1141b068ca448f71fd106a05a4ed07e3f3c58b7721f4ab0090
[INFO] running `Command { std: "docker" "start" "-a" "45819f9c50a36b1141b068ca448f71fd106a05a4ed07e3f3c58b7721f4ab0090", kill_on_drop: false }`
[INFO] [stderr]    Compiling learningrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "45819f9c50a36b1141b068ca448f71fd106a05a4ed07e3f3c58b7721f4ab0090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45819f9c50a36b1141b068ca448f71fd106a05a4ed07e3f3c58b7721f4ab0090", kill_on_drop: false }`
[INFO] [stdout] 45819f9c50a36b1141b068ca448f71fd106a05a4ed07e3f3c58b7721f4ab0090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82ae937ecbcfbde2a1a4e2d114fc7811e41456a864d97e9c2839fb9c0113cd4d
[INFO] running `Command { std: "docker" "start" "-a" "82ae937ecbcfbde2a1a4e2d114fc7811e41456a864d97e9c2839fb9c0113cd4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learningrust-b4fa610837fa3bc7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82ae937ecbcfbde2a1a4e2d114fc7811e41456a864d97e9c2839fb9c0113cd4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ae937ecbcfbde2a1a4e2d114fc7811e41456a864d97e9c2839fb9c0113cd4d", kill_on_drop: false }`
[INFO] [stdout] 82ae937ecbcfbde2a1a4e2d114fc7811e41456a864d97e9c2839fb9c0113cd4d