[INFO] fetching crate lock-free-freelist 0.1.0...
[INFO] testing lock-free-freelist-0.1.0 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] extracting crate lock-free-freelist 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate lock-free-freelist 0.1.0
[INFO] finished tweaking crates.io crate lock-free-freelist 0.1.0
[INFO] tweaked toml for crates.io crate lock-free-freelist 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lock-free-freelist 0.1.0 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6761d356ee10eb42109ee51ac6a334d5069e23c76868837b66690c9b07dcb57a
[INFO] running `Command { std: "docker" "start" "-a" "6761d356ee10eb42109ee51ac6a334d5069e23c76868837b66690c9b07dcb57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6761d356ee10eb42109ee51ac6a334d5069e23c76868837b66690c9b07dcb57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6761d356ee10eb42109ee51ac6a334d5069e23c76868837b66690c9b07dcb57a", kill_on_drop: false }`
[INFO] [stdout] 6761d356ee10eb42109ee51ac6a334d5069e23c76868837b66690c9b07dcb57a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b865315e8caadbf2d26c158991c52b40712b4450a567f1a0efb9fe958329df8
[INFO] running `Command { std: "docker" "start" "-a" "5b865315e8caadbf2d26c158991c52b40712b4450a567f1a0efb9fe958329df8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bit_fiddler v2.1.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling reusable_derive v0.1.0
[INFO] [stderr]    Compiling lock-free-freelist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "5b865315e8caadbf2d26c158991c52b40712b4450a567f1a0efb9fe958329df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b865315e8caadbf2d26c158991c52b40712b4450a567f1a0efb9fe958329df8", kill_on_drop: false }`
[INFO] [stdout] 5b865315e8caadbf2d26c158991c52b40712b4450a567f1a0efb9fe958329df8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9b4687b8400df3136bfbf7dff8366caa56f47bcb6a86522facae0ad25241ca9
[INFO] running `Command { std: "docker" "start" "-a" "e9b4687b8400df3136bfbf7dff8366caa56f47bcb6a86522facae0ad25241ca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling lock-free-freelist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> tests/multi_threaded_test.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Container {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 10 |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     b: String,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "e9b4687b8400df3136bfbf7dff8366caa56f47bcb6a86522facae0ad25241ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b4687b8400df3136bfbf7dff8366caa56f47bcb6a86522facae0ad25241ca9", kill_on_drop: false }`
[INFO] [stdout] e9b4687b8400df3136bfbf7dff8366caa56f47bcb6a86522facae0ad25241ca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4e52dc225d1d83d4afc9eb7ff5b6098c41269cf918bd6ec31a0ddb6bb7c8e5e
[INFO] running `Command { std: "docker" "start" "-a" "e4e52dc225d1d83d4afc9eb7ff5b6098c41269cf918bd6ec31a0ddb6bb7c8e5e", kill_on_drop: false }`
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> tests/multi_threaded_test.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Container {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] 10 |     a: i32,
[INFO] [stderr]    |     ^
[INFO] [stderr] 11 |     b: String,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Container` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lock-free-freelist` (test "multi_threaded_test") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lock_free_freelist-e66055dabb950959)
[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/multi_threaded_test.rs (/opt/rustwide/target/debug/deps/multi_threaded_test-64d9b0e2fcc40fb6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test multi_threaded_test ... 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/single_thread_test.rs (/opt/rustwide/target/debug/deps/single_thread_test-cc386113dc38725c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests lock_free_freelist
[INFO] [stdout] test single_thread_test ... 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] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/dump.rs - dump::Dump<T>::new (line 25) ... ignored
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/free_list.rs - free_list::FreeList<T>::reuse_or_alloc (line 110) ... ok
[INFO] [stdout] test src/free_list.rs - free_list::FreeList<T>::reuse (line 68) ... ok
[INFO] [stdout] test src/free_list.rs - free_list::FreeList<T>::clear (line 160) ... ok
[INFO] [stdout] test src/free_list.rs - free_list::FreeList<T>::reuse_or_alloc (line 117) ... ok
[INFO] [stdout] test src/free_list.rs - free_list::FreeList (line 10) ... ok
[INFO] [stdout] test src/free_list.rs - free_list::FreeList<T>::alloc (line 142) ... ok
[INFO] [stdout] test src/free_list.rs - free_list::FreeList<T>::new (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/reuse.rs - reuse::Reuse (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4e52dc225d1d83d4afc9eb7ff5b6098c41269cf918bd6ec31a0ddb6bb7c8e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e52dc225d1d83d4afc9eb7ff5b6098c41269cf918bd6ec31a0ddb6bb7c8e5e", kill_on_drop: false }`
[INFO] [stdout] e4e52dc225d1d83d4afc9eb7ff5b6098c41269cf918bd6ec31a0ddb6bb7c8e5e