[INFO] cloning repository https://github.com/Xe/helloworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xe/helloworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fhelloworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fhelloworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72070a688e321a2cd5871cdf5782c63c459ad092
[INFO] checking Xe/helloworld against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fhelloworld" "/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/Xe/helloworld on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xe/helloworld
[INFO] removed workspace from git repo https://github.com/Xe/helloworld
[INFO] finished tweaking git repo https://github.com/Xe/helloworld
[INFO] tweaked toml for git repo https://github.com/Xe/helloworld written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Xe/helloworld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded platforms v0.2.1
[INFO] [stderr]   Downloaded prometheus v0.8.0
[INFO] [stderr]   Downloaded darwin-libproc v0.1.2
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded psutil v3.2.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.4
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] [stderr]   Downloaded subtle v2.3.0
[INFO] [stderr]   Downloaded derive_more v0.99.11
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.1.2
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded okapi v0.3.0
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded state v0.4.2
[INFO] [stderr]   Downloaded schemars v0.6.5
[INFO] [stderr]   Downloaded protobuf v2.18.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] [stderr]   Downloaded pear_codegen v0.1.4
[INFO] [stderr]   Downloaded gethostname v0.2.1
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded rocket v0.4.6
[INFO] [stderr]   Downloaded pear v0.1.4
[INFO] [stderr]   Downloaded rocket_contrib v0.4.6
[INFO] [stderr]   Downloaded rocket_codegen v0.4.6
[INFO] [stderr]   Downloaded rocket_prometheus v0.4.0
[INFO] [stderr]   Downloaded rocket_http v0.4.6
[INFO] [stderr]   Downloaded zeroize v1.1.1
[INFO] [stderr]   Downloaded schemars_derive v0.6.5
[INFO] [stderr]   Downloaded rocket_okapi_codegen v0.3.6
[INFO] [stderr]   Downloaded rocket_okapi v0.3.6
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 6e764e48e4b9421638a1b13fc839682b1f284c2ab5f34728603299d06bf6c33f
[INFO] running `Command { std: "docker" "start" "-a" "6e764e48e4b9421638a1b13fc839682b1f284c2ab5f34728603299d06bf6c33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e764e48e4b9421638a1b13fc839682b1f284c2ab5f34728603299d06bf6c33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e764e48e4b9421638a1b13fc839682b1f284c2ab5f34728603299d06bf6c33f", kill_on_drop: false }`
[INFO] [stdout] 6e764e48e4b9421638a1b13fc839682b1f284c2ab5f34728603299d06bf6c33f
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 0e55c90ab2de5a1d797af16a0c33e806da3c3be1cdf7dee29fbd911453089b3b
[INFO] running `Command { std: "docker" "start" "-a" "0e55c90ab2de5a1d797af16a0c33e806da3c3be1cdf7dee29fbd911453089b3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling schemars v0.6.5
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]     Checking rocket_http v0.4.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling schemars_derive v0.6.5
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking psutil v3.2.0
[INFO] [stderr]     Checking okapi v0.3.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.6
[INFO] [stderr]    Compiling rocket_okapi_codegen v0.3.6
[INFO] [stderr]     Checking rocket v0.4.6
[INFO] [stderr]     Checking rocket_contrib v0.4.6
[INFO] [stderr]     Checking rocket_prometheus v0.4.0
[INFO] [stderr]     Checking rocket_okapi v0.3.6
[INFO] [stderr]     Checking helloworld v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "0e55c90ab2de5a1d797af16a0c33e806da3c3be1cdf7dee29fbd911453089b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e55c90ab2de5a1d797af16a0c33e806da3c3be1cdf7dee29fbd911453089b3b", kill_on_drop: false }`
[INFO] [stdout] 0e55c90ab2de5a1d797af16a0c33e806da3c3be1cdf7dee29fbd911453089b3b