[INFO] fetching crate axe 0.1.0...
[INFO] testing axe-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate axe 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate axe 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axe 0.1.0
[INFO] finished tweaking crates.io crate axe 0.1.0
[INFO] tweaked toml for crates.io crate axe 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate axe 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c95876378e32c50c831456e8e4bef6c0e8fc38fb155458bece0440811635dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2c95876378e32c50c831456e8e4bef6c0e8fc38fb155458bece0440811635dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c95876378e32c50c831456e8e4bef6c0e8fc38fb155458bece0440811635dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c95876378e32c50c831456e8e4bef6c0e8fc38fb155458bece0440811635dc", kill_on_drop: false }`
[INFO] [stdout] e2c95876378e32c50c831456e8e4bef6c0e8fc38fb155458bece0440811635dc
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3530a406a6676f182f266dd9dde789ecd181a816517f5cdb9afe6a5a1b699dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3530a406a6676f182f266dd9dde789ecd181a816517f5cdb9afe6a5a1b699dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.5
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling axe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.85s
[INFO] running `Command { std: "docker" "inspect" "c3530a406a6676f182f266dd9dde789ecd181a816517f5cdb9afe6a5a1b699dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3530a406a6676f182f266dd9dde789ecd181a816517f5cdb9afe6a5a1b699dd", kill_on_drop: false }`
[INFO] [stdout] c3530a406a6676f182f266dd9dde789ecd181a816517f5cdb9afe6a5a1b699dd
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96dfcb26dc53db13ae8a9dc67a9dbec8ae910e2d7acd609976961423263af76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b96dfcb26dc53db13ae8a9dc67a9dbec8ae910e2d7acd609976961423263af76", kill_on_drop: false }`
[INFO] [stderr]    Compiling axe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde::de::Unexpected::Map`
[INFO] [stdout]   --> src/structures/capped_hashmap.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use serde::de::Unexpected::Map;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "b96dfcb26dc53db13ae8a9dc67a9dbec8ae910e2d7acd609976961423263af76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96dfcb26dc53db13ae8a9dc67a9dbec8ae910e2d7acd609976961423263af76", kill_on_drop: false }`
[INFO] [stdout] b96dfcb26dc53db13ae8a9dc67a9dbec8ae910e2d7acd609976961423263af76
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11a6b3112d6377dbf0bee22c12674e3ef81d48e7060827130db7406ec1ecf4cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "11a6b3112d6377dbf0bee22c12674e3ef81d48e7060827130db7406ec1ecf4cf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `serde::de::Unexpected::Map`
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/structures/capped_hashmap.rs:66:9
[INFO] [stdout] test structures::capped_hashmap::tests::data_is_split_by_key ... ok
[INFO] [stderr]    |
[INFO] [stderr] 66 |     use serde::de::Unexpected::Map;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/axe-7e552a7ed64fb656
[INFO] [stdout] test structures::capped_hashmap::tests::capped_hashmap_dumps_calls_persist_when_full ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11a6b3112d6377dbf0bee22c12674e3ef81d48e7060827130db7406ec1ecf4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a6b3112d6377dbf0bee22c12674e3ef81d48e7060827130db7406ec1ecf4cf", kill_on_drop: false }`
[INFO] [stdout] 11a6b3112d6377dbf0bee22c12674e3ef81d48e7060827130db7406ec1ecf4cf