[INFO] cloning repository https://github.com/NicMcPhee/rust-echo-client-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicMcPhee/rust-echo-client-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicMcPhee%2Frust-echo-client-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicMcPhee%2Frust-echo-client-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e655b17de7cf9e6d2f6d956299b46be85959815
[INFO] checking NicMcPhee/rust-echo-client-server against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicMcPhee%2Frust-echo-client-server" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicMcPhee/rust-echo-client-server on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NicMcPhee/rust-echo-client-server
[INFO] finished tweaking git repo https://github.com/NicMcPhee/rust-echo-client-server
[INFO] tweaked toml for git repo https://github.com/NicMcPhee/rust-echo-client-server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NicMcPhee/rust-echo-client-server 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-stack v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18a4862a94fb932c2e7b99384572490e14d56a2dc6b0fe34461c3b732b5c0b8a
[INFO] running `Command { std: "docker" "start" "-a" "18a4862a94fb932c2e7b99384572490e14d56a2dc6b0fe34461c3b732b5c0b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a4862a94fb932c2e7b99384572490e14d56a2dc6b0fe34461c3b732b5c0b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a4862a94fb932c2e7b99384572490e14d56a2dc6b0fe34461c3b732b5c0b8a", kill_on_drop: false }`
[INFO] [stdout] 18a4862a94fb932c2e7b99384572490e14d56a2dc6b0fe34461c3b732b5c0b8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aed603daa8880c8d2883b246e01307b1aabd2350d158215cca53acdcc7b70b4b
[INFO] running `Command { std: "docker" "start" "-a" "aed603daa8880c8d2883b246e01307b1aabd2350d158215cca53acdcc7b70b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling error-stack v0.1.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stdout] error[E0599]: no method named `backtrace` found for reference `&'a C` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-stack-0.1.1/src/context.rs:108:39
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if let Some(backtrace) = self.backtrace() {
[INFO] [stdout]     |                                       ^^^^^^^^^ method not found in `&'a C`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-stack` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aed603daa8880c8d2883b246e01307b1aabd2350d158215cca53acdcc7b70b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed603daa8880c8d2883b246e01307b1aabd2350d158215cca53acdcc7b70b4b", kill_on_drop: false }`
[INFO] [stdout] aed603daa8880c8d2883b246e01307b1aabd2350d158215cca53acdcc7b70b4b
