[INFO] cloning repository https://github.com/finitum/roll-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/finitum/roll-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinitum%2Froll-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinitum%2Froll-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb0ec1b97394a6ff4243495ea2d1463b4e4b461b
[INFO] checking finitum/roll-rs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinitum%2Froll-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/finitum/roll-rs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/finitum/roll-rs
[INFO] finished tweaking git repo https://github.com/finitum/roll-rs
[INFO] tweaked toml for git repo https://github.com/finitum/roll-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/finitum/roll-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/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[INFO] the lockfile is outdated, regenerating it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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.1.3
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]   Downloaded stacker v0.1.13
[INFO] [stderr]   Downloaded bnf v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5325aadb101f71b684df06b99083c9298f3716a47016dad38bbaecb348d5f7d
[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" "e5325aadb101f71b684df06b99083c9298f3716a47016dad38bbaecb348d5f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5325aadb101f71b684df06b99083c9298f3716a47016dad38bbaecb348d5f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5325aadb101f71b684df06b99083c9298f3716a47016dad38bbaecb348d5f7d", kill_on_drop: false }`
[INFO] [stdout] e5325aadb101f71b684df06b99083c9298f3716a47016dad38bbaecb348d5f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 175ad0fa7cd57adee43877a475eb19346c16fec645dcb9c23809dff1857b638a
[INFO] running `Command { std: "docker" "start" "-a" "175ad0fa7cd57adee43877a475eb19346c16fec645dcb9c23809dff1857b638a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling stacker v0.1.13
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking roll-rs v0.3.0 (/opt/rustwide/workdir/roll)
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.23
[INFO] [stderr]     Checking serde-wasm-bindgen v0.1.3
[INFO] [stderr]     Checking roll-wasm v0.1.0 (/opt/rustwide/workdir/wasm)
[INFO] [stderr]     Checking bnf v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.06s
[INFO] running `Command { std: "docker" "inspect" "175ad0fa7cd57adee43877a475eb19346c16fec645dcb9c23809dff1857b638a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175ad0fa7cd57adee43877a475eb19346c16fec645dcb9c23809dff1857b638a", kill_on_drop: false }`
[INFO] [stdout] 175ad0fa7cd57adee43877a475eb19346c16fec645dcb9c23809dff1857b638a