[INFO] fetching crate light_arena 1.0.1...
[INFO] testing light_arena-1.0.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate light_arena 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate light_arena 1.0.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate light_arena 1.0.1
[INFO] finished tweaking crates.io crate light_arena 1.0.1
[INFO] tweaked toml for crates.io crate light_arena 1.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] acc21e89cc397bf6c9e747d020bf9c7ebc291f36a0656bcee37e68cd8b3bc4aa
[INFO] running `Command { std: "docker" "start" "-a" "acc21e89cc397bf6c9e747d020bf9c7ebc291f36a0656bcee37e68cd8b3bc4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acc21e89cc397bf6c9e747d020bf9c7ebc291f36a0656bcee37e68cd8b3bc4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc21e89cc397bf6c9e747d020bf9c7ebc291f36a0656bcee37e68cd8b3bc4aa", kill_on_drop: false }`
[INFO] [stdout] acc21e89cc397bf6c9e747d020bf9c7ebc291f36a0656bcee37e68cd8b3bc4aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] 75096a0f54e08d942f4ccff72e2fc82cc84e9e41f95e5b0cc6ea86f7874938dc
[INFO] running `Command { std: "docker" "start" "-a" "75096a0f54e08d942f4ccff72e2fc82cc84e9e41f95e5b0cc6ea86f7874938dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling light_arena v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "75096a0f54e08d942f4ccff72e2fc82cc84e9e41f95e5b0cc6ea86f7874938dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75096a0f54e08d942f4ccff72e2fc82cc84e9e41f95e5b0cc6ea86f7874938dc", kill_on_drop: false }`
[INFO] [stdout] 75096a0f54e08d942f4ccff72e2fc82cc84e9e41f95e5b0cc6ea86f7874938dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf319a0abc9bd3f9930314338b1f4d407fd7fc33bd375ca4b2b9c66e8ad290a
[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" "baf319a0abc9bd3f9930314338b1f4d407fd7fc33bd375ca4b2b9c66e8ad290a", kill_on_drop: false }`
[INFO] [stderr]    Compiling light_arena v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lib.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let add: &Eval = allocator.alloc(Add(4));
[INFO] [stdout]     |               ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lib.rs:182:15
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let sub: &Eval = allocator.alloc(Subtract { x: 2 });
[INFO] [stdout]     |               ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lib.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let shl: &Eval = allocator.alloc(ShiftLeft);
[INFO] [stdout]     |               ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/lib.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let clamp: &Eval = allocator.alloc(Clamp::new(-2, 3));
[INFO] [stdout]     |                 ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "baf319a0abc9bd3f9930314338b1f4d407fd7fc33bd375ca4b2b9c66e8ad290a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf319a0abc9bd3f9930314338b1f4d407fd7fc33bd375ca4b2b9c66e8ad290a", kill_on_drop: false }`
[INFO] [stdout] baf319a0abc9bd3f9930314338b1f4d407fd7fc33bd375ca4b2b9c66e8ad290a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0e1f9064f39a527cd532306f0ed5d586e9a7d4df0e761d2871a15bd07137a76
[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" "a0e1f9064f39a527cd532306f0ed5d586e9a7d4df0e761d2871a15bd07137a76", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:181:15
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let add: &Eval = allocator.alloc(Add(4));
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:182:15
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let sub: &Eval = allocator.alloc(Subtract { x: 2 });
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:183:15
[INFO] [stderr]     |
[INFO] [stderr] 183 |     let shl: &Eval = allocator.alloc(ShiftLeft);
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let clamp: &Eval = allocator.alloc(Clamp::new(-2, 3));
[INFO] [stderr]     |                 ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/light_arena-5c3e94bc9f675ca8
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-61bb7b3fef17af80
[INFO] [stdout] test tests::block ... ok
[INFO] [stdout] test tests::aligner ... ok
[INFO] [stdout] test tests::memory_arena ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test fat_align_struct ... ok
[INFO] [stdout] test placement_alloc ... ok
[INFO] [stderr]    Doc-tests light_arena
[INFO] [stdout] test buffer_reuse ... ok
[INFO] [stdout] test dynamic_slice ... ok
[INFO] [stdout] test trait_objects ... ok
[INFO] [stdout] test basic_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0e1f9064f39a527cd532306f0ed5d586e9a7d4df0e761d2871a15bd07137a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e1f9064f39a527cd532306f0ed5d586e9a7d4df0e761d2871a15bd07137a76", kill_on_drop: false }`
[INFO] [stdout] a0e1f9064f39a527cd532306f0ed5d586e9a7d4df0e761d2871a15bd07137a76