[INFO] fetching crate fast-counter 1.0.0...
[INFO] testing fast-counter-1.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fast-counter 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fast-counter 1.0.0
[INFO] finished tweaking crates.io crate fast-counter 1.0.0
[INFO] tweaked toml for crates.io crate fast-counter 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-counter 1.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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 62 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c8371b413a55c20540695c54ccd923fec105ba83bfc509d3593fabfe0bfdb3a
[INFO] running `Command { std: "docker" "start" "-a" "9c8371b413a55c20540695c54ccd923fec105ba83bfc509d3593fabfe0bfdb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c8371b413a55c20540695c54ccd923fec105ba83bfc509d3593fabfe0bfdb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8371b413a55c20540695c54ccd923fec105ba83bfc509d3593fabfe0bfdb3a", kill_on_drop: false }`
[INFO] [stdout] 9c8371b413a55c20540695c54ccd923fec105ba83bfc509d3593fabfe0bfdb3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e4ad5f8b0c42c85ad37094573721cb4d565cdea36e86d73af838548fdf4801
[INFO] running `Command { std: "docker" "start" "-a" "81e4ad5f8b0c42c85ad37094573721cb4d565cdea36e86d73af838548fdf4801", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-counter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "81e4ad5f8b0c42c85ad37094573721cb4d565cdea36e86d73af838548fdf4801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e4ad5f8b0c42c85ad37094573721cb4d565cdea36e86d73af838548fdf4801", kill_on_drop: false }`
[INFO] [stdout] 81e4ad5f8b0c42c85ad37094573721cb4d565cdea36e86d73af838548fdf4801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58fef1d76631e806032022de7477223ac69734090795eb1d0f72861042e6bf2a
[INFO] running `Command { std: "docker" "start" "-a" "58fef1d76631e806032022de7477223ac69734090795eb1d0f72861042e6bf2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling fast-counter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.54s
[INFO] running `Command { std: "docker" "inspect" "58fef1d76631e806032022de7477223ac69734090795eb1d0f72861042e6bf2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fef1d76631e806032022de7477223ac69734090795eb1d0f72861042e6bf2a", kill_on_drop: false }`
[INFO] [stdout] 58fef1d76631e806032022de7477223ac69734090795eb1d0f72861042e6bf2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2aafc2aba7ba2ab75eeccad12b4ee33c475928da400e48245c76462baad6b4f
[INFO] running `Command { std: "docker" "start" "-a" "a2aafc2aba7ba2ab75eeccad12b4ee33c475928da400e48245c76462baad6b4f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_counter-32d68664eb9f5b55)
[INFO] [stdout] test counter::tests::increment_multiple_times ... ok
[INFO] [stdout] test counter::tests::basic_test ... ok
[INFO] [stdout] test counter::tests::two_threads_incrementing_concurrently ... ok
[INFO] [stdout] test counter::tests::two_threads_incrementing_multiple_times_concurrently ... ok
[INFO] [stdout] test counter::tests::debug_works_as_expected ... ok
[INFO] [stdout] test counter::tests::multple_threads_incrementing_multiple_times_concurrently ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_counter
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::sum (line 110) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::new (line 37) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::sum_with_ordering (line 136) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::add (line 68) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::add_with_ordering (line 86) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2aafc2aba7ba2ab75eeccad12b4ee33c475928da400e48245c76462baad6b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2aafc2aba7ba2ab75eeccad12b4ee33c475928da400e48245c76462baad6b4f", kill_on_drop: false }`
[INFO] [stdout] a2aafc2aba7ba2ab75eeccad12b4ee33c475928da400e48245c76462baad6b4f