[INFO] fetching crate compact_arena 0.5.0...
[INFO] testing compact_arena-0.5.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate compact_arena 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate compact_arena 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate compact_arena 0.5.0
[INFO] tweaked toml for crates.io crate compact_arena 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compact_arena 0.5.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39afb0f3ab8dfd4aaf342c96d77c086c5bc0ebe58dd42121a72623ac1a3df460
[INFO] running `Command { std: "docker" "start" "-a" "39afb0f3ab8dfd4aaf342c96d77c086c5bc0ebe58dd42121a72623ac1a3df460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39afb0f3ab8dfd4aaf342c96d77c086c5bc0ebe58dd42121a72623ac1a3df460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39afb0f3ab8dfd4aaf342c96d77c086c5bc0ebe58dd42121a72623ac1a3df460", kill_on_drop: false }`
[INFO] [stdout] 39afb0f3ab8dfd4aaf342c96d77c086c5bc0ebe58dd42121a72623ac1a3df460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac77fd3586727e2395c925a59f5b38024ad551b4d13edfc022fedb28623933e3
[INFO] running `Command { std: "docker" "start" "-a" "ac77fd3586727e2395c925a59f5b38024ad551b4d13edfc022fedb28623933e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling compact_arena v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "ac77fd3586727e2395c925a59f5b38024ad551b4d13edfc022fedb28623933e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac77fd3586727e2395c925a59f5b38024ad551b4d13edfc022fedb28623933e3", kill_on_drop: false }`
[INFO] [stdout] ac77fd3586727e2395c925a59f5b38024ad551b4d13edfc022fedb28623933e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2649c9ef248fb648eca4277ad1e1fd814ae1d14520a2cdb1eabf0c355c0a6bd
[INFO] running `Command { std: "docker" "start" "-a" "d2649c9ef248fb648eca4277ad1e1fd814ae1d14520a2cdb1eabf0c355c0a6bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling compact_arena v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "d2649c9ef248fb648eca4277ad1e1fd814ae1d14520a2cdb1eabf0c355c0a6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2649c9ef248fb648eca4277ad1e1fd814ae1d14520a2cdb1eabf0c355c0a6bd", kill_on_drop: false }`
[INFO] [stdout] d2649c9ef248fb648eca4277ad1e1fd814ae1d14520a2cdb1eabf0c355c0a6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2eb6e2f2b53e213e5a55cdfd8378d08e15e62923c51bd40c7bcf58af8abcc7c
[INFO] running `Command { std: "docker" "start" "-a" "b2eb6e2f2b53e213e5a55cdfd8378d08e15e62923c51bd40c7bcf58af8abcc7c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/compact_arena-8ea90eea4fe30c2a)
[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]      Running tests/nano_arena.rs (/opt/rustwide/target/debug/deps/nano_arena-f0efd1fca99e67c1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test add_256_objects ... ok
[INFO] [stdout] test two_nano_arenas_one_scope ... ok
[INFO] [stdout] test two_nano_arenas ... ok
[INFO] [stdout] test add_257_objects - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-40c102bca848e562)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_scoped_arena ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tiny_arena.rs (/opt/rustwide/target/debug/deps/tiny_arena-a13fd767df7ea5bd)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test add_65536_objects ... ok
[INFO] [stdout] test two_tiny_arenas_one_scope ... ok
[INFO] [stdout] test two_tiny_arenas ... ok
[INFO] [stdout] test add_65537_objects - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree.rs (/opt/rustwide/target/debug/deps/tree-49802a833ea50ca2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests compact_arena
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - (line 65) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 58) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Idx32 (line 172) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - mk_arena (line 250) ... ok
[INFO] [stdout] test src/lib.rs - TinyArena<'tag,T>::as_mut_slice (line 609) ... ok
[INFO] [stdout] test src/lib.rs - in_nano_arena (line 416) ... ok
[INFO] [stdout] test src/lib.rs - Idx16 (line 183) ... ok
[INFO] [stdout] test src/lib.rs - TinyArena<'tag,T>::as_slice (line 593) ... ok
[INFO] [stdout] test src/lib.rs - in_tiny_arena (line 369) ... ok
[INFO] [stdout] test src/lib.rs - SmallArena<'tag,T>::as_mut_slice (line 501) ... ok
[INFO] [stdout] test src/lib.rs - NanoArena<'tag,T>::as_slice (line 699) ... ok
[INFO] [stdout] test src/lib.rs - NanoArena<'tag,T>::as_mut_slice (line 715) ... ok
[INFO] [stdout] test src/lib.rs - Idx8 (line 194) ... ok
[INFO] [stdout] test src/lib.rs - SmallArena<'tag,T>::as_slice (line 485) ... ok
[INFO] [stdout] test src/lib.rs - NanoArena<'tag,T>::try_add (line 668) ... ok
[INFO] [stdout] test src/lib.rs - mk_nano_arena (line 390) ... ok
[INFO] [stdout] test src/lib.rs - mk_arena (line 259) ... ok
[INFO] [stdout] test src/lib.rs - mk_tiny_arena (line 344) ... ok
[INFO] [stdout] test src/lib.rs - recycle_arena (line 311) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b2eb6e2f2b53e213e5a55cdfd8378d08e15e62923c51bd40c7bcf58af8abcc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2eb6e2f2b53e213e5a55cdfd8378d08e15e62923c51bd40c7bcf58af8abcc7c", kill_on_drop: false }`
[INFO] [stdout] b2eb6e2f2b53e213e5a55cdfd8378d08e15e62923c51bd40c7bcf58af8abcc7c