[INFO] cloning repository https://github.com/balena-io-playground/safe-io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/balena-io-playground/safe-io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fsafe-io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fsafe-io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98f710525f46d80cfb617bc182ad56919a75a25a
[INFO] checking balena-io-playground/safe-io against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fsafe-io" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/balena-io-playground/safe-io on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/balena-io-playground/safe-io
[INFO] finished tweaking git repo https://github.com/balena-io-playground/safe-io
[INFO] tweaked toml for git repo https://github.com/balena-io-playground/safe-io written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/balena-io-playground/safe-io already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65a8c51776727c806f75e3ec07b68d03bec3dc582f0fcd77e74f5dd8eab2359c
[INFO] running `Command { std: "docker" "start" "-a" "65a8c51776727c806f75e3ec07b68d03bec3dc582f0fcd77e74f5dd8eab2359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a8c51776727c806f75e3ec07b68d03bec3dc582f0fcd77e74f5dd8eab2359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a8c51776727c806f75e3ec07b68d03bec3dc582f0fcd77e74f5dd8eab2359c", kill_on_drop: false }`
[INFO] [stdout] 65a8c51776727c806f75e3ec07b68d03bec3dc582f0fcd77e74f5dd8eab2359c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c8b03c27bb8c60256136b276c2ad9e08c3ada46b9f01dcb7e7afda05f777a9
[INFO] running `Command { std: "docker" "start" "-a" "b0c8b03c27bb8c60256136b276c2ad9e08c3ada46b9f01dcb7e7afda05f777a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking regex-syntax v0.6.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking path-dedot v3.0.7
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking path-absolutize v3.0.6
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking safe-io-lib v0.1.0 (/opt/rustwide/workdir/safe-io-lib)
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking safe-io-cli v0.1.0 (/opt/rustwide/workdir/safe-io-cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.60s
[INFO] running `Command { std: "docker" "inspect" "b0c8b03c27bb8c60256136b276c2ad9e08c3ada46b9f01dcb7e7afda05f777a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c8b03c27bb8c60256136b276c2ad9e08c3ada46b9f01dcb7e7afda05f777a9", kill_on_drop: false }`
[INFO] [stdout] b0c8b03c27bb8c60256136b276c2ad9e08c3ada46b9f01dcb7e7afda05f777a9