[INFO] cloning repository https://github.com/cctools/repos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cctools/repos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcctools%2Frepos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcctools%2Frepos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff12c02ac27da4cec64327a8025b4745a41477be
[INFO] checking cctools/repos against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcctools%2Frepos" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cctools/repos on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cctools/repos
[INFO] finished tweaking git repo https://github.com/cctools/repos
[INFO] tweaked toml for git repo https://github.com/cctools/repos written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cctools/repos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbd3938e6af8aed958f4685997c716144bf07787bd44b4dc0c32c93a65f47737
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cbd3938e6af8aed958f4685997c716144bf07787bd44b4dc0c32c93a65f47737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd3938e6af8aed958f4685997c716144bf07787bd44b4dc0c32c93a65f47737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd3938e6af8aed958f4685997c716144bf07787bd44b4dc0c32c93a65f47737", kill_on_drop: false }`
[INFO] [stdout] cbd3938e6af8aed958f4685997c716144bf07787bd44b4dc0c32c93a65f47737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdd2d1943b83a346e3dc0f2dd76320c5e19a067231eb42a4fa29e2e05f00964d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bdd2d1943b83a346e3dc0f2dd76320c5e19a067231eb42a4fa29e2e05f00964d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking repos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gitlab_token`
[INFO] [stdout]   --> main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let gitlab_token = env::var("GITLAB_ACCESS_TOKEN")?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gitlab_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gitlab_token`
[INFO] [stdout]   --> main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let gitlab_token = env::var("GITLAB_ACCESS_TOKEN")?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gitlab_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.53s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdd2d1943b83a346e3dc0f2dd76320c5e19a067231eb42a4fa29e2e05f00964d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd2d1943b83a346e3dc0f2dd76320c5e19a067231eb42a4fa29e2e05f00964d", kill_on_drop: false }`
[INFO] [stdout] bdd2d1943b83a346e3dc0f2dd76320c5e19a067231eb42a4fa29e2e05f00964d