[INFO] cloning repository https://github.com/CallistoM/poem_life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CallistoM/poem_life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallistoM%2Fpoem_life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallistoM%2Fpoem_life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 364deeefdb773be13ba87e9dd7aab632ef7b3d84
[INFO] checking CallistoM/poem_life against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCallistoM%2Fpoem_life" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CallistoM/poem_life on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CallistoM/poem_life
[INFO] finished tweaking git repo https://github.com/CallistoM/poem_life
[INFO] tweaked toml for git repo https://github.com/CallistoM/poem_life written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/CallistoM/poem_life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff6c1f333287a7694e30425a69ba7474720c7fd229d5b0e360da080c09a1d495
[INFO] running `Command { std: "docker" "start" "-a" "ff6c1f333287a7694e30425a69ba7474720c7fd229d5b0e360da080c09a1d495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff6c1f333287a7694e30425a69ba7474720c7fd229d5b0e360da080c09a1d495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6c1f333287a7694e30425a69ba7474720c7fd229d5b0e360da080c09a1d495", kill_on_drop: false }`
[INFO] [stdout] ff6c1f333287a7694e30425a69ba7474720c7fd229d5b0e360da080c09a1d495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f881074bed6d8f41b6016ec44849588725f604109ec737843033cf950bf48b3e
[INFO] running `Command { std: "docker" "start" "-a" "f881074bed6d8f41b6016ec44849588725f604109ec737843033cf950bf48b3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking poem_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "f881074bed6d8f41b6016ec44849588725f604109ec737843033cf950bf48b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f881074bed6d8f41b6016ec44849588725f604109ec737843033cf950bf48b3e", kill_on_drop: false }`
[INFO] [stdout] f881074bed6d8f41b6016ec44849588725f604109ec737843033cf950bf48b3e