[INFO] cloning repository https://github.com/rafaeldnferreira/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rafaeldnferreira/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafaeldnferreira%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafaeldnferreira%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0121afa622f90e701819f39cced0b86360716971
[INFO] checking rafaeldnferreira/learning-rust against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafaeldnferreira%2Flearning-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rafaeldnferreira/learning-rust
[INFO] finished tweaking git repo https://github.com/rafaeldnferreira/learning-rust
[INFO] tweaked toml for git repo https://github.com/rafaeldnferreira/learning-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rafaeldnferreira/learning-rust on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rafaeldnferreira/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a548803caa869d21c3774e88d295ce1e8ad82969ac173f1f988f7109fa79c88d
[INFO] running `Command { std: "docker" "start" "-a" "a548803caa869d21c3774e88d295ce1e8ad82969ac173f1f988f7109fa79c88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a548803caa869d21c3774e88d295ce1e8ad82969ac173f1f988f7109fa79c88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a548803caa869d21c3774e88d295ce1e8ad82969ac173f1f988f7109fa79c88d", kill_on_drop: false }`
[INFO] [stdout] a548803caa869d21c3774e88d295ce1e8ad82969ac173f1f988f7109fa79c88d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85196f317449f33c71e33092ae1d15ba402044aec5bde82f89d60c0b2c6beb9b
[INFO] running `Command { std: "docker" "start" "-a" "85196f317449f33c71e33092ae1d15ba402044aec5bde82f89d60c0b2c6beb9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking openssl-sys v0.9.72
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking backtrace v0.3.63
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking openssl v0.10.38
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking jsonpath v0.1.1
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.03s
[INFO] running `Command { std: "docker" "inspect" "85196f317449f33c71e33092ae1d15ba402044aec5bde82f89d60c0b2c6beb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85196f317449f33c71e33092ae1d15ba402044aec5bde82f89d60c0b2c6beb9b", kill_on_drop: false }`
[INFO] [stdout] 85196f317449f33c71e33092ae1d15ba402044aec5bde82f89d60c0b2c6beb9b