[INFO] fetching crate fast-counter 1.0.0...
[INFO] testing fast-counter-1.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fast-counter 1.0.0 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-counter 1.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fd86b48c25eab9723fbb421418319f489856cb1204a8be0fde8aa59552d1f5f
[INFO] running `Command { std: "docker" "start" "-a" "0fd86b48c25eab9723fbb421418319f489856cb1204a8be0fde8aa59552d1f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd86b48c25eab9723fbb421418319f489856cb1204a8be0fde8aa59552d1f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd86b48c25eab9723fbb421418319f489856cb1204a8be0fde8aa59552d1f5f", kill_on_drop: false }`
[INFO] [stdout] 0fd86b48c25eab9723fbb421418319f489856cb1204a8be0fde8aa59552d1f5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 082dd0d2cb54002fc1cdd6ccf1c63b9a25d640769986ccd13f0fb5a197638106
[INFO] running `Command { std: "docker" "start" "-a" "082dd0d2cb54002fc1cdd6ccf1c63b9a25d640769986ccd13f0fb5a197638106", 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 0.16s
[INFO] running `Command { std: "docker" "inspect" "082dd0d2cb54002fc1cdd6ccf1c63b9a25d640769986ccd13f0fb5a197638106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082dd0d2cb54002fc1cdd6ccf1c63b9a25d640769986ccd13f0fb5a197638106", kill_on_drop: false }`
[INFO] [stdout] 082dd0d2cb54002fc1cdd6ccf1c63b9a25d640769986ccd13f0fb5a197638106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acca83280696fde4cdeb6497a8705f5c5eb1862e27de5f017c52b363a6dd2017
[INFO] running `Command { std: "docker" "start" "-a" "acca83280696fde4cdeb6497a8705f5c5eb1862e27de5f017c52b363a6dd2017", 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 plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[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 plotters v0.3.7
[INFO] [stderr]    Compiling syn v2.0.110
[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_derive v1.0.228
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[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 26.62s
[INFO] running `Command { std: "docker" "inspect" "acca83280696fde4cdeb6497a8705f5c5eb1862e27de5f017c52b363a6dd2017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acca83280696fde4cdeb6497a8705f5c5eb1862e27de5f017c52b363a6dd2017", kill_on_drop: false }`
[INFO] [stdout] acca83280696fde4cdeb6497a8705f5c5eb1862e27de5f017c52b363a6dd2017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7bd9a7e3d8ce8281657c1f4aac6a36426d804d7194dc8c5c2e458a5b239fe3e7
[INFO] running `Command { std: "docker" "start" "-a" "7bd9a7e3d8ce8281657c1f4aac6a36426d804d7194dc8c5c2e458a5b239fe3e7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_counter-32d68664eb9f5b55)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test counter::tests::basic_test ... ok
[INFO] [stdout] test counter::tests::increment_multiple_times ... 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 0.56s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_counter
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::new (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::sum_with_ordering (line 136) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::sum (line 110) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::add_with_ordering (line 86) ... ok
[INFO] [stdout] test src/counter.rs - counter::ConcurrentCounter::add (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7bd9a7e3d8ce8281657c1f4aac6a36426d804d7194dc8c5c2e458a5b239fe3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd9a7e3d8ce8281657c1f4aac6a36426d804d7194dc8c5c2e458a5b239fe3e7", kill_on_drop: false }`
[INFO] [stdout] 7bd9a7e3d8ce8281657c1f4aac6a36426d804d7194dc8c5c2e458a5b239fe3e7