[INFO] crate serde-strz 1.0.0 is already in cache
[INFO] testing serde-strz-1.0.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate serde-strz 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde-strz 1.0.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-strz 1.0.0
[INFO] finished tweaking crates.io crate serde-strz 1.0.0
[INFO] tweaked toml for crates.io crate serde-strz 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d18b153e930229584a53bac4661cb4f6960eda1414d67c4c29a38c4e9caf77c
[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" "8d18b153e930229584a53bac4661cb4f6960eda1414d67c4c29a38c4e9caf77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d18b153e930229584a53bac4661cb4f6960eda1414d67c4c29a38c4e9caf77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d18b153e930229584a53bac4661cb4f6960eda1414d67c4c29a38c4e9caf77c", kill_on_drop: false }`
[INFO] [stdout] 8d18b153e930229584a53bac4661cb4f6960eda1414d67c4c29a38c4e9caf77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5abfac27f3f2d90d319b5091e74c68092c1f0fec8d1bd0fc434744eb7254f51
[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" "a5abfac27f3f2d90d319b5091e74c68092c1f0fec8d1bd0fc434744eb7254f51", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde-strz v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.43s
[INFO] running `Command { std: "docker" "inspect" "a5abfac27f3f2d90d319b5091e74c68092c1f0fec8d1bd0fc434744eb7254f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5abfac27f3f2d90d319b5091e74c68092c1f0fec8d1bd0fc434744eb7254f51", kill_on_drop: false }`
[INFO] [stdout] a5abfac27f3f2d90d319b5091e74c68092c1f0fec8d1bd0fc434744eb7254f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93222fc0400a8c2d0e486eda7f4e276cac0b994941623c9f7a31b9e259c100fe
[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" "93222fc0400a8c2d0e486eda7f4e276cac0b994941623c9f7a31b9e259c100fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde-strz v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "93222fc0400a8c2d0e486eda7f4e276cac0b994941623c9f7a31b9e259c100fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93222fc0400a8c2d0e486eda7f4e276cac0b994941623c9f7a31b9e259c100fe", kill_on_drop: false }`
[INFO] [stdout] 93222fc0400a8c2d0e486eda7f4e276cac0b994941623c9f7a31b9e259c100fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 416b122ceabadb3aefc06c6f4b363c4e675917c0ca5472d2b969a096f6a93d6d
[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" "416b122ceabadb3aefc06c6f4b363c4e675917c0ca5472d2b969a096f6a93d6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_strz-a9877fc1e223012c
[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] [stderr]    Doc-tests serde-strz
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/opt.rs - opt (line 34) ... FAILED
[INFO] [stdout] test src/emp.rs - emp (line 34) ... FAILED
[INFO] [stdout] test src/emp.rs - emp (line 60) ... FAILED
[INFO] [stdout] test src/opt.rs - opt (line 5) ... FAILED
[INFO] [stdout] test src/emp.rs - emp (line 85) ... FAILED
[INFO] [stdout] test src/emp.rs - emp (line 5) ... FAILED
[INFO] [stdout] test src/opt.rs - opt (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/opt.rs - opt (line 34) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_str`
[INFO] [stdout]  --> src/opt.rs:42:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[serde(with = "serde_str::opt", default)]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ use of undeclared type or module `serde_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/emp.rs - emp (line 34) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_str`
[INFO] [stdout]  --> src/emp.rs:42:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[serde(with = "serde_str::emp", default)]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ use of undeclared type or module `serde_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/emp.rs - emp (line 60) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_str`
[INFO] [stdout]   --> src/emp.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[serde(with = "serde_str::emp", skip_serializing_if = "Option::is_none")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ use of undeclared type or module `serde_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/opt.rs - opt (line 5) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_str`
[INFO] [stdout]  --> src/opt.rs:13:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[serde(with = "serde_str::opt")]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ use of undeclared type or module `serde_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/emp.rs - emp (line 85) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_str`
[INFO] [stdout]   --> src/emp.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[serde(default, with = "serde_str::emp", skip_serializing_if = "Option::is_none")]
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^ use of undeclared type or module `serde_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/emp.rs - emp (line 5) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_str`
[INFO] [stdout]  --> src/emp.rs:13:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[serde(with = "serde_str::emp")]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ use of undeclared type or module `serde_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/opt.rs - opt (line 60) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_str`
[INFO] [stdout]   --> src/opt.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[serde(with = "serde_str::opt", default, skip_serializing_if = "Option::is_none")]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ use of undeclared type or module `serde_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_str`
[INFO] [stdout]  --> src/lib.rs:21:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[serde(with = "serde_str")]
[INFO] [stdout]   |                    ^^^^^^^^^^^ use of undeclared type or module `serde_str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/emp.rs - emp (line 34)
[INFO] [stdout]     src/emp.rs - emp (line 5)
[INFO] [stdout]     src/emp.rs - emp (line 60)
[INFO] [stdout]     src/emp.rs - emp (line 85)
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout]     src/opt.rs - opt (line 34)
[INFO] [stdout]     src/opt.rs - opt (line 5)
[INFO] [stdout]     src/opt.rs - opt (line 60)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "416b122ceabadb3aefc06c6f4b363c4e675917c0ca5472d2b969a096f6a93d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416b122ceabadb3aefc06c6f4b363c4e675917c0ca5472d2b969a096f6a93d6d", kill_on_drop: false }`
[INFO] [stdout] 416b122ceabadb3aefc06c6f4b363c4e675917c0ca5472d2b969a096f6a93d6d