[INFO] cloning repository https://github.com/kvverti/cgc-strategy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kvverti/cgc-strategy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvverti%2Fcgc-strategy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvverti%2Fcgc-strategy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89416a990b6dd318d2b14c2d55bb81ade1baee9d
[INFO] testing kvverti/cgc-strategy against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvverti%2Fcgc-strategy" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kvverti/cgc-strategy
[INFO] finished tweaking git repo https://github.com/kvverti/cgc-strategy
[INFO] tweaked toml for git repo https://github.com/kvverti/cgc-strategy written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kvverti/cgc-strategy on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kvverti/cgc-strategy 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38c180be84830facf3bd37b330797dee78bf8254003e596a9ab48adb251069be
[INFO] running `Command { std: "docker" "start" "-a" "38c180be84830facf3bd37b330797dee78bf8254003e596a9ab48adb251069be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38c180be84830facf3bd37b330797dee78bf8254003e596a9ab48adb251069be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c180be84830facf3bd37b330797dee78bf8254003e596a9ab48adb251069be", kill_on_drop: false }`
[INFO] [stdout] 38c180be84830facf3bd37b330797dee78bf8254003e596a9ab48adb251069be
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 049122df780d8c24847caea5f041506a512ead4818cd0c340d3a6804b25e2b46
[INFO] running `Command { std: "docker" "start" "-a" "049122df780d8c24847caea5f041506a512ead4818cd0c340d3a6804b25e2b46", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgc-strategy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `layout` and `trace` are never read
[INFO] [stdout]   --> src/heap.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct GcVtable {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 9  |     /// The size and alignment of the GC allocation.
[INFO] [stdout] 10 |     layout: Layout,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     trace: unsafe fn(NonNull<()>, &TraceContext<'_>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "049122df780d8c24847caea5f041506a512ead4818cd0c340d3a6804b25e2b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049122df780d8c24847caea5f041506a512ead4818cd0c340d3a6804b25e2b46", kill_on_drop: false }`
[INFO] [stdout] 049122df780d8c24847caea5f041506a512ead4818cd0c340d3a6804b25e2b46
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b50806e3fabdb35c4a5eff8648ccfd4c28ba845cddc21500927321718dfd5014
[INFO] running `Command { std: "docker" "start" "-a" "b50806e3fabdb35c4a5eff8648ccfd4c28ba845cddc21500927321718dfd5014", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgc-strategy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `layout` and `trace` are never read
[INFO] [stdout]   --> src/heap.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct GcVtable {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 9  |     /// The size and alignment of the GC allocation.
[INFO] [stdout] 10 |     layout: Layout,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     trace: unsafe fn(NonNull<()>, &TraceContext<'_>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `layout` and `trace` are never read
[INFO] [stdout]   --> src/heap.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct GcVtable {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 9  |     /// The size and alignment of the GC allocation.
[INFO] [stdout] 10 |     layout: Layout,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     trace: unsafe fn(NonNull<()>, &TraceContext<'_>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "b50806e3fabdb35c4a5eff8648ccfd4c28ba845cddc21500927321718dfd5014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50806e3fabdb35c4a5eff8648ccfd4c28ba845cddc21500927321718dfd5014", kill_on_drop: false }`
[INFO] [stdout] b50806e3fabdb35c4a5eff8648ccfd4c28ba845cddc21500927321718dfd5014
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 251c5338a3eca2ade307c7d48e68068e43586c2f5395e57abdd24cffcda74ca0
[INFO] running `Command { std: "docker" "start" "-a" "251c5338a3eca2ade307c7d48e68068e43586c2f5395e57abdd24cffcda74ca0", kill_on_drop: false }`
[INFO] [stderr] warning: fields `layout` and `trace` are never read
[INFO] [stderr]   --> src/heap.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct GcVtable {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 9  |     /// The size and alignment of the GC allocation.
[INFO] [stderr] 10 |     layout: Layout,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     trace: unsafe fn(NonNull<()>, &TraceContext<'_>),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cgc-strategy` (lib) generated 1 warning
[INFO] [stderr] warning: `cgc-strategy` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cgc_strategy-1de49a4cbb2cf4a3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cgc_strategy
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "251c5338a3eca2ade307c7d48e68068e43586c2f5395e57abdd24cffcda74ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251c5338a3eca2ade307c7d48e68068e43586c2f5395e57abdd24cffcda74ca0", kill_on_drop: false }`
[INFO] [stdout] 251c5338a3eca2ade307c7d48e68068e43586c2f5395e57abdd24cffcda74ca0