[INFO] fetching crate heatmap 0.6.6...
[INFO] testing heatmap-0.6.6 against 1.59.0 for beta-1.60-1
[INFO] extracting crate heatmap 0.6.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate heatmap 0.6.6 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heatmap 0.6.6
[INFO] finished tweaking crates.io crate heatmap 0.6.6
[INFO] tweaked toml for crates.io crate heatmap 0.6.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14b9e32a63b77880ab509de7fbd6d8cb7bea63e6631ca9be868e43a8492c8420
[INFO] running `Command { std: "docker" "start" "-a" "14b9e32a63b77880ab509de7fbd6d8cb7bea63e6631ca9be868e43a8492c8420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b9e32a63b77880ab509de7fbd6d8cb7bea63e6631ca9be868e43a8492c8420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b9e32a63b77880ab509de7fbd6d8cb7bea63e6631ca9be868e43a8492c8420", kill_on_drop: false }`
[INFO] [stdout] 14b9e32a63b77880ab509de7fbd6d8cb7bea63e6631ca9be868e43a8492c8420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb36a343ce7920aec87ec75af1609abbde93062d29874cdf051d011497983ef
[INFO] running `Command { std: "docker" "start" "-a" "bdb36a343ce7920aec87ec75af1609abbde93062d29874cdf051d011497983ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling histogram v0.6.9
[INFO] [stderr]    Compiling heatmap v0.6.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `iterator`
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     iterator: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `properties`
[INFO] [stdout]    --> src/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     properties: Properties,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "bdb36a343ce7920aec87ec75af1609abbde93062d29874cdf051d011497983ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb36a343ce7920aec87ec75af1609abbde93062d29874cdf051d011497983ef", kill_on_drop: false }`
[INFO] [stdout] bdb36a343ce7920aec87ec75af1609abbde93062d29874cdf051d011497983ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f819477cba0e097124a20a2c87267841c4fb6de6688be0533aaa1e0330dc0aa
[INFO] running `Command { std: "docker" "start" "-a" "2f819477cba0e097124a20a2c87267841c4fb6de6688be0533aaa1e0330dc0aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling heatmap v0.6.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `iterator`
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     iterator: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `properties`
[INFO] [stdout]    --> src/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     properties: Properties,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `iterator`
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     iterator: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `properties`
[INFO] [stdout]    --> src/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     properties: Properties,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "2f819477cba0e097124a20a2c87267841c4fb6de6688be0533aaa1e0330dc0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f819477cba0e097124a20a2c87267841c4fb6de6688be0533aaa1e0330dc0aa", kill_on_drop: false }`
[INFO] [stdout] 2f819477cba0e097124a20a2c87267841c4fb6de6688be0533aaa1e0330dc0aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d371074cc98590f3662ad6db1dab829bf07581c99d00af93806eb8a922d99326
[INFO] running `Command { std: "docker" "start" "-a" "d371074cc98590f3662ad6db1dab829bf07581c99d00af93806eb8a922d99326", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `iterator`
[INFO] [stderr]    --> src/lib.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     iterator: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:26:9
[INFO] [stderr]     |
[INFO] [stderr] 26  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `properties`
[INFO] [stderr]    --> src/lib.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     properties: Properties,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `heatmap` (lib) generated 2 warnings
[INFO] [stderr] warning: `heatmap` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/heatmap-4a290a82d529c838)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_increment ... ok
[INFO] [stdout] test tests::test_new_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests heatmap
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Heatmap::new (line 238) ... ok
[INFO] [stdout] test src/lib.rs - Heatmap::configure (line 250) ... ok
[INFO] [stdout] test src/lib.rs - Heatmap::entries (line 395) ... ok
[INFO] [stdout] test src/lib.rs - Heatmap::increment_by (line 341) ... ok
[INFO] [stdout] test src/lib.rs - Heatmap::clear (line 298) ... ok
[INFO] [stdout] test src/lib.rs - Heatmap::increment (line 323) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Heatmap::merge (line 412) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d371074cc98590f3662ad6db1dab829bf07581c99d00af93806eb8a922d99326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d371074cc98590f3662ad6db1dab829bf07581c99d00af93806eb8a922d99326", kill_on_drop: false }`
[INFO] [stdout] d371074cc98590f3662ad6db1dab829bf07581c99d00af93806eb8a922d99326