[INFO] cloning repository https://github.com/foriequal0/heap-size-of-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foriequal0/heap-size-of-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforiequal0%2Fheap-size-of-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforiequal0%2Fheap-size-of-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ddcc41b011c20f0c51ef7e178edf213339ebb9a
[INFO] testing foriequal0/heap-size-of-test against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforiequal0%2Fheap-size-of-test" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foriequal0/heap-size-of-test on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foriequal0/heap-size-of-test
[INFO] finished tweaking git repo https://github.com/foriequal0/heap-size-of-test
[INFO] tweaked toml for git repo https://github.com/foriequal0/heap-size-of-test written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/foriequal0/heap-size-of-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48353322c787440dbc1d0422159dd7a856723199d90da6d094babb38c6c4e114
[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" "48353322c787440dbc1d0422159dd7a856723199d90da6d094babb38c6c4e114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48353322c787440dbc1d0422159dd7a856723199d90da6d094babb38c6c4e114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48353322c787440dbc1d0422159dd7a856723199d90da6d094babb38c6c4e114", kill_on_drop: false }`
[INFO] [stdout] 48353322c787440dbc1d0422159dd7a856723199d90da6d094babb38c6c4e114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5567eaeb550e49e0c422ed2d3d91824afb2c498ceedfcb721b46fd3d7b5c3c01
[INFO] running `Command { std: "docker" "start" "-a" "5567eaeb550e49e0c422ed2d3d91824afb2c498ceedfcb721b46fd3d7b5c3c01", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling heap-size-of v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Box::new(A::new()) as Box<Buf>,
[INFO] [stdout]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Box::new(B::new()) as Box<Buf>,
[INFO] [stdout]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     buf: [u8; 8],
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     buf: [u8; 15],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "5567eaeb550e49e0c422ed2d3d91824afb2c498ceedfcb721b46fd3d7b5c3c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5567eaeb550e49e0c422ed2d3d91824afb2c498ceedfcb721b46fd3d7b5c3c01", kill_on_drop: false }`
[INFO] [stdout] 5567eaeb550e49e0c422ed2d3d91824afb2c498ceedfcb721b46fd3d7b5c3c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0945622a7c0e25f5a1d4fb3bdf7522da3aa8912f7408c74dc5078775afe3f41
[INFO] running `Command { std: "docker" "start" "-a" "e0945622a7c0e25f5a1d4fb3bdf7522da3aa8912f7408c74dc5078775afe3f41", kill_on_drop: false }`
[INFO] [stderr]    Compiling heap-size-of v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Box::new(A::new()) as Box<Buf>,
[INFO] [stdout]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Box::new(B::new()) as Box<Buf>,
[INFO] [stdout]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     buf: [u8; 8],
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     buf: [u8; 15],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e0945622a7c0e25f5a1d4fb3bdf7522da3aa8912f7408c74dc5078775afe3f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0945622a7c0e25f5a1d4fb3bdf7522da3aa8912f7408c74dc5078775afe3f41", kill_on_drop: false }`
[INFO] [stdout] e0945622a7c0e25f5a1d4fb3bdf7522da3aa8912f7408c74dc5078775afe3f41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b317e16c518304354e324a70a2ae1a94484205cc6ccbec6dc4fa03b147ab4484
[INFO] running `Command { std: "docker" "start" "-a" "b317e16c518304354e324a70a2ae1a94484205cc6ccbec6dc4fa03b147ab4484", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Box::new(A::new()) as Box<Buf>,
[INFO] [stderr]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:35
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Box::new(B::new()) as Box<Buf>,
[INFO] [stderr]    |                                   ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buf`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     buf: [u8; 8],
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buf`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     buf: [u8; 15],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/heap_size_of-c82e0c57c96119b5
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b317e16c518304354e324a70a2ae1a94484205cc6ccbec6dc4fa03b147ab4484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b317e16c518304354e324a70a2ae1a94484205cc6ccbec6dc4fa03b147ab4484", kill_on_drop: false }`
[INFO] [stdout] b317e16c518304354e324a70a2ae1a94484205cc6ccbec6dc4fa03b147ab4484