[INFO] cloning repository https://github.com/francisrstokes/rustack-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/francisrstokes/rustack-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancisrstokes%2Frustack-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancisrstokes%2Frustack-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abe2c816a77a3b682a3fdab881201a5678d152e6
[INFO] testing francisrstokes/rustack-machine against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancisrstokes%2Frustack-machine" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/francisrstokes/rustack-machine on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/francisrstokes/rustack-machine
[INFO] finished tweaking git repo https://github.com/francisrstokes/rustack-machine
[INFO] tweaked toml for git repo https://github.com/francisrstokes/rustack-machine written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/francisrstokes/rustack-machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 767704e46552ffb323d04197f8b74902a983e22d82825d96b4b88ac62537be52
[INFO] running `Command { std: "docker" "start" "-a" "767704e46552ffb323d04197f8b74902a983e22d82825d96b4b88ac62537be52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "767704e46552ffb323d04197f8b74902a983e22d82825d96b4b88ac62537be52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767704e46552ffb323d04197f8b74902a983e22d82825d96b4b88ac62537be52", kill_on_drop: false }`
[INFO] [stdout] 767704e46552ffb323d04197f8b74902a983e22d82825d96b4b88ac62537be52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67ed83d93611b903e22fe6b9ec5425366404b265bfe5c664e0c52949015cf97f
[INFO] running `Command { std: "docker" "start" "-a" "67ed83d93611b903e22fe6b9ec5425366404b265bfe5c664e0c52949015cf97f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustack-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.89s
[INFO] running `Command { std: "docker" "inspect" "67ed83d93611b903e22fe6b9ec5425366404b265bfe5c664e0c52949015cf97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ed83d93611b903e22fe6b9ec5425366404b265bfe5c664e0c52949015cf97f", kill_on_drop: false }`
[INFO] [stdout] 67ed83d93611b903e22fe6b9ec5425366404b265bfe5c664e0c52949015cf97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9596037d0c7f9bb188f15e7befe6aeeebd7c7cc6e5f59f8d0a3a4d6cd9f6379b
[INFO] running `Command { std: "docker" "start" "-a" "9596037d0c7f9bb188f15e7befe6aeeebd7c7cc6e5f59f8d0a3a4d6cd9f6379b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustack-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "9596037d0c7f9bb188f15e7befe6aeeebd7c7cc6e5f59f8d0a3a4d6cd9f6379b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9596037d0c7f9bb188f15e7befe6aeeebd7c7cc6e5f59f8d0a3a4d6cd9f6379b", kill_on_drop: false }`
[INFO] [stdout] 9596037d0c7f9bb188f15e7befe6aeeebd7c7cc6e5f59f8d0a3a4d6cd9f6379b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 355c7ba70e5afbb264666645df1b4e56480488292d9034639d4f7c470152a44e
[INFO] running `Command { std: "docker" "start" "-a" "355c7ba70e5afbb264666645df1b4e56480488292d9034639d4f7c470152a44e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustack_machine-64ef1a089e8f64c1)
[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" "355c7ba70e5afbb264666645df1b4e56480488292d9034639d4f7c470152a44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355c7ba70e5afbb264666645df1b4e56480488292d9034639d4f7c470152a44e", kill_on_drop: false }`
[INFO] [stdout] 355c7ba70e5afbb264666645df1b4e56480488292d9034639d4f7c470152a44e