[INFO] cloning repository https://github.com/stjimreal/vscode_rust_extension_issue_862
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stjimreal/vscode_rust_extension_issue_862" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstjimreal%2Fvscode_rust_extension_issue_862", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstjimreal%2Fvscode_rust_extension_issue_862'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f2da405a7e0555b2a3724d893481f52f2b6bdb4
[INFO] checking stjimreal/vscode_rust_extension_issue_862 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstjimreal%2Fvscode_rust_extension_issue_862" "/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/stjimreal/vscode_rust_extension_issue_862 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stjimreal/vscode_rust_extension_issue_862
[INFO] finished tweaking git repo https://github.com/stjimreal/vscode_rust_extension_issue_862
[INFO] tweaked toml for git repo https://github.com/stjimreal/vscode_rust_extension_issue_862 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/stjimreal/vscode_rust_extension_issue_862 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cc4fbf261725f4698079f07106bb70c7fcfb654ef665607ca07ad1289f36f5d
[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" "8cc4fbf261725f4698079f07106bb70c7fcfb654ef665607ca07ad1289f36f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc4fbf261725f4698079f07106bb70c7fcfb654ef665607ca07ad1289f36f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc4fbf261725f4698079f07106bb70c7fcfb654ef665607ca07ad1289f36f5d", kill_on_drop: false }`
[INFO] [stdout] 8cc4fbf261725f4698079f07106bb70c7fcfb654ef665607ca07ad1289f36f5d
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1904f88575476458af2a4e7fbdeed702d4249d26be859ba97a78f49321157ace
[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" "1904f88575476458af2a4e7fbdeed702d4249d26be859ba97a78f49321157ace", kill_on_drop: false }`
[INFO] [stderr]     Checking weak-ref v0.1.0 (/opt/rustwide/workdir/weak-ref)
[INFO] [stderr]     Checking cycle-tree v0.1.0 (/opt/rustwide/workdir/cycle-tree)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> weak-ref/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> weak-ref/src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking one-more v0.1.0 (/opt/rustwide/workdir/one-more)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "1904f88575476458af2a4e7fbdeed702d4249d26be859ba97a78f49321157ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1904f88575476458af2a4e7fbdeed702d4249d26be859ba97a78f49321157ace", kill_on_drop: false }`
[INFO] [stdout] 1904f88575476458af2a4e7fbdeed702d4249d26be859ba97a78f49321157ace