[INFO] fetching crate mem_viewer 0.3.0...
[INFO] testing mem_viewer-0.3.0 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate mem_viewer 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mem_viewer 0.3.0
[INFO] finished tweaking crates.io crate mem_viewer 0.3.0
[INFO] tweaked toml for crates.io crate mem_viewer 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mem_viewer 0.3.0 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mem_viewer 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.85
[INFO] [stderr]   Downloaded serde_derive v1.0.203
[INFO] [stderr]   Downloaded syn v2.0.66
[INFO] [stderr]   Downloaded serde v1.0.203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4d67ebee23256afe04d6160ac88d195ca5e4fd9edafbebe9031374dc523ce5a
[INFO] running `Command { std: "docker" "start" "-a" "b4d67ebee23256afe04d6160ac88d195ca5e4fd9edafbebe9031374dc523ce5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d67ebee23256afe04d6160ac88d195ca5e4fd9edafbebe9031374dc523ce5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d67ebee23256afe04d6160ac88d195ca5e4fd9edafbebe9031374dc523ce5a", kill_on_drop: false }`
[INFO] [stdout] b4d67ebee23256afe04d6160ac88d195ca5e4fd9edafbebe9031374dc523ce5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 914d2a9338db3b2daf3dfd9c71a8019c0447deaba9bfb2e405c18aada77d1218
[INFO] running `Command { std: "docker" "start" "-a" "914d2a9338db3b2daf3dfd9c71a8019c0447deaba9bfb2e405c18aada77d1218", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling mem_viewer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "914d2a9338db3b2daf3dfd9c71a8019c0447deaba9bfb2e405c18aada77d1218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914d2a9338db3b2daf3dfd9c71a8019c0447deaba9bfb2e405c18aada77d1218", kill_on_drop: false }`
[INFO] [stdout] 914d2a9338db3b2daf3dfd9c71a8019c0447deaba9bfb2e405c18aada77d1218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c23b8686ee93d0cefeedea4893d27e8e8fdb0c8729d1778291c32a8ff0c5c838
[INFO] running `Command { std: "docker" "start" "-a" "c23b8686ee93d0cefeedea4893d27e8e8fdb0c8729d1778291c32a8ff0c5c838", kill_on_drop: false }`
[INFO] [stderr]    Compiling mem_viewer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "c23b8686ee93d0cefeedea4893d27e8e8fdb0c8729d1778291c32a8ff0c5c838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23b8686ee93d0cefeedea4893d27e8e8fdb0c8729d1778291c32a8ff0c5c838", kill_on_drop: false }`
[INFO] [stdout] c23b8686ee93d0cefeedea4893d27e8e8fdb0c8729d1778291c32a8ff0c5c838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2429953a02e1a8cc278cb2a8cfd345a36e95ae6e0ac0dfeb31ad4e42ad1dcc82
[INFO] running `Command { std: "docker" "start" "-a" "2429953a02e1a8cc278cb2a8cfd345a36e95ae6e0ac0dfeb31ad4e42ad1dcc82", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mem_viewer-4fea94db10c75ccd)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::box_viewer ... ok
[INFO] [stdout] test tests::functype_viewer ... ok
[INFO] [stdout] test tests::ptr_viewer ... ok
[INFO] [stdout] test tests::f32_viewer ... ok
[INFO] [stdout] test tests::str_viewer ... ok
[INFO] [stdout] test tests::u16_viewer ... ok
[INFO] [stdout] test tests::utf8_viewer ... ok
[INFO] [stdout] test tests::vec_of_box_viewer ... ok
[INFO] [stdout] test tests::vec_viewer ... ok
[INFO] [stdout] test tests::struct_viewer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mem_viewer
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - safe_view_mem (line 891) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - view_mem (line 1057) ... ok
[INFO] [stdout] test src/lib.rs - safe_view_mem (line 905) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - safe_view_mem (line 891) stdout ----
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/lib.rs:892:10
[INFO] [stdout]     |
[INFO] [stdout] 892 | #[derive(Serialize)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these derive macros
[INFO] [stdout]     |
[INFO] [stdout] 891 + use mem_viewer::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 891 + use serde::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - safe_view_mem (line 891)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2429953a02e1a8cc278cb2a8cfd345a36e95ae6e0ac0dfeb31ad4e42ad1dcc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2429953a02e1a8cc278cb2a8cfd345a36e95ae6e0ac0dfeb31ad4e42ad1dcc82", kill_on_drop: false }`
[INFO] [stdout] 2429953a02e1a8cc278cb2a8cfd345a36e95ae6e0ac0dfeb31ad4e42ad1dcc82
