[INFO] cloning repository https://github.com/smirnovvad/test_ex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smirnovvad/test_ex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmirnovvad%2Ftest_ex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmirnovvad%2Ftest_ex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48963f2c9bbed4ec061a7943d9e8e2197d63d1ac
[INFO] checking smirnovvad/test_ex against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmirnovvad%2Ftest_ex" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smirnovvad/test_ex on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smirnovvad/test_ex
[INFO] finished tweaking git repo https://github.com/smirnovvad/test_ex
[INFO] tweaked toml for git repo https://github.com/smirnovvad/test_ex written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/smirnovvad/test_ex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded tokio v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3412350ea2bf8f46237ed86a72f3e70c645eb41fd08db353ad8797e21b032f1c
[INFO] running `Command { std: "docker" "start" "-a" "3412350ea2bf8f46237ed86a72f3e70c645eb41fd08db353ad8797e21b032f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3412350ea2bf8f46237ed86a72f3e70c645eb41fd08db353ad8797e21b032f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3412350ea2bf8f46237ed86a72f3e70c645eb41fd08db353ad8797e21b032f1c", kill_on_drop: false }`
[INFO] [stdout] 3412350ea2bf8f46237ed86a72f3e70c645eb41fd08db353ad8797e21b032f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf6ba502712ff7378bcd8923b507b8244d6f07b70910901fa72054b6ee4401b
[INFO] running `Command { std: "docker" "start" "-a" "daf6ba502712ff7378bcd8923b507b8244d6f07b70910901fa72054b6ee4401b", 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]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking test_ex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.42s
[INFO] running `Command { std: "docker" "inspect" "daf6ba502712ff7378bcd8923b507b8244d6f07b70910901fa72054b6ee4401b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf6ba502712ff7378bcd8923b507b8244d6f07b70910901fa72054b6ee4401b", kill_on_drop: false }`
[INFO] [stdout] daf6ba502712ff7378bcd8923b507b8244d6f07b70910901fa72054b6ee4401b