[INFO] fetching crate mem_println 0.1.5...
[INFO] testing mem_println-0.1.5 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mem_println 0.1.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mem_println 0.1.5
[INFO] finished tweaking crates.io crate mem_println 0.1.5
[INFO] tweaked toml for crates.io crate mem_println 0.1.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mem_println 0.1.5 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10fcc818b56321e67855d03f69397b6356ec279aed4f825fe68fdf82fa46996f
[INFO] running `Command { std: "docker" "start" "-a" "10fcc818b56321e67855d03f69397b6356ec279aed4f825fe68fdf82fa46996f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10fcc818b56321e67855d03f69397b6356ec279aed4f825fe68fdf82fa46996f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fcc818b56321e67855d03f69397b6356ec279aed4f825fe68fdf82fa46996f", kill_on_drop: false }`
[INFO] [stdout] 10fcc818b56321e67855d03f69397b6356ec279aed4f825fe68fdf82fa46996f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8e70e67066b627a3dccc980147d5e835cb0bc2d7e97ea13ebdcbf6111d5eab6
[INFO] running `Command { std: "docker" "start" "-a" "f8e70e67066b627a3dccc980147d5e835cb0bc2d7e97ea13ebdcbf6111d5eab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem_println v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f8e70e67066b627a3dccc980147d5e835cb0bc2d7e97ea13ebdcbf6111d5eab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e70e67066b627a3dccc980147d5e835cb0bc2d7e97ea13ebdcbf6111d5eab6", kill_on_drop: false }`
[INFO] [stdout] f8e70e67066b627a3dccc980147d5e835cb0bc2d7e97ea13ebdcbf6111d5eab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b186e22502aa5d4b76f50c58073e11df8e1259cabe4494b057b4bd81d14a97
[INFO] running `Command { std: "docker" "start" "-a" "20b186e22502aa5d4b76f50c58073e11df8e1259cabe4494b057b4bd81d14a97", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem_println v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use std::mem;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         use std::mem;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "20b186e22502aa5d4b76f50c58073e11df8e1259cabe4494b057b4bd81d14a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b186e22502aa5d4b76f50c58073e11df8e1259cabe4494b057b4bd81d14a97", kill_on_drop: false }`
[INFO] [stdout] 20b186e22502aa5d4b76f50c58073e11df8e1259cabe4494b057b4bd81d14a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c59eccb595d47bb7a2d70a40e0fcc73de3ca0290a8220dd9ad158b9f6fbec4d7
[INFO] running `Command { std: "docker" "start" "-a" "c59eccb595d47bb7a2d70a40e0fcc73de3ca0290a8220dd9ad158b9f6fbec4d7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/lib.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     use std::mem;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/lib.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         use std::mem;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mem_println` (lib test) generated 2 warnings (run `cargo fix --lib -p mem_println --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mem_println-77c4945a9e50a3fb)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::unit_struct ... ok
[INFO] [stdout] test tests::get_mem_size ... ok
[INFO] [stdout] test tests::int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mem_println
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c59eccb595d47bb7a2d70a40e0fcc73de3ca0290a8220dd9ad158b9f6fbec4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59eccb595d47bb7a2d70a40e0fcc73de3ca0290a8220dd9ad158b9f6fbec4d7", kill_on_drop: false }`
[INFO] [stdout] c59eccb595d47bb7a2d70a40e0fcc73de3ca0290a8220dd9ad158b9f6fbec4d7