[INFO] cloning repository https://github.com/dwerner/myconfig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwerner/myconfig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fmyconfig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fmyconfig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa57d785bc9d3ae05cff0bbc6ac02e1fdc7537b3
[INFO] checking dwerner/myconfig against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fmyconfig" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwerner/myconfig on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwerner/myconfig
[INFO] finished tweaking git repo https://github.com/dwerner/myconfig
[INFO] tweaked toml for git repo https://github.com/dwerner/myconfig written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dwerner/myconfig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b9560fa194554005f6ccb15968eb0cc195a3e3b945be8e98299f0ce1306c374
[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" "2b9560fa194554005f6ccb15968eb0cc195a3e3b945be8e98299f0ce1306c374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9560fa194554005f6ccb15968eb0cc195a3e3b945be8e98299f0ce1306c374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9560fa194554005f6ccb15968eb0cc195a3e3b945be8e98299f0ce1306c374", kill_on_drop: false }`
[INFO] [stdout] 2b9560fa194554005f6ccb15968eb0cc195a3e3b945be8e98299f0ce1306c374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce63ab8b9aaa0d9b6e2643e36e1ffeaaa7a9e96e48370fe8eef7c4f2d688e046
[INFO] running `Command { std: "docker" "start" "-a" "ce63ab8b9aaa0d9b6e2643e36e1ffeaaa7a9e96e48370fe8eef7c4f2d688e046", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking polling v0.1.8
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking myconfig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `NoInstalledProg`
[INFO] [stdout]   --> src/main.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     NoInstalledProg(String)
[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] [stdout] warning: variant is never constructed: `NoInstalledProg`
[INFO] [stdout]   --> src/main.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     NoInstalledProg(String)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 45.88s
[INFO] running `Command { std: "docker" "inspect" "ce63ab8b9aaa0d9b6e2643e36e1ffeaaa7a9e96e48370fe8eef7c4f2d688e046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce63ab8b9aaa0d9b6e2643e36e1ffeaaa7a9e96e48370fe8eef7c4f2d688e046", kill_on_drop: false }`
[INFO] [stdout] ce63ab8b9aaa0d9b6e2643e36e1ffeaaa7a9e96e48370fe8eef7c4f2d688e046