[INFO] fetching crate trickster 0.0.6...
[INFO] testing trickster-0.0.6 against 1.54.0 for beta-1.55-1
[INFO] extracting crate trickster 0.0.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate trickster 0.0.6 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trickster 0.0.6
[INFO] finished tweaking crates.io crate trickster 0.0.6
[INFO] tweaked toml for crates.io crate trickster 0.0.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e80d0d83b81213904a68907857ea8d0e1a697c27472b835d71d9bf42ca8fa6a1
[INFO] running `Command { std: "docker" "start" "-a" "e80d0d83b81213904a68907857ea8d0e1a697c27472b835d71d9bf42ca8fa6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80d0d83b81213904a68907857ea8d0e1a697c27472b835d71d9bf42ca8fa6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80d0d83b81213904a68907857ea8d0e1a697c27472b835d71d9bf42ca8fa6a1", kill_on_drop: false }`
[INFO] [stdout] e80d0d83b81213904a68907857ea8d0e1a697c27472b835d71d9bf42ca8fa6a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d801d791b1a5a7656b176a52d53e38496d283544ae828e481820a93611b19c
[INFO] running `Command { std: "docker" "start" "-a" "d7d801d791b1a5a7656b176a52d53e38496d283544ae828e481820a93611b19c", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling scan_fmt v0.2.6
[INFO] [stderr]    Compiling trickster v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "d7d801d791b1a5a7656b176a52d53e38496d283544ae828e481820a93611b19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d801d791b1a5a7656b176a52d53e38496d283544ae828e481820a93611b19c", kill_on_drop: false }`
[INFO] [stdout] d7d801d791b1a5a7656b176a52d53e38496d283544ae828e481820a93611b19c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8766a4cba16e9dc712c7faf0986fa3153e9dc196e8b625f5c846ef0d3bdd018
[INFO] running `Command { std: "docker" "start" "-a" "c8766a4cba16e9dc712c7faf0986fa3153e9dc196e8b625f5c846ef0d3bdd018", kill_on_drop: false }`
[INFO] [stderr]    Compiling trickster v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "c8766a4cba16e9dc712c7faf0986fa3153e9dc196e8b625f5c846ef0d3bdd018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8766a4cba16e9dc712c7faf0986fa3153e9dc196e8b625f5c846ef0d3bdd018", kill_on_drop: false }`
[INFO] [stdout] c8766a4cba16e9dc712c7faf0986fa3153e9dc196e8b625f5c846ef0d3bdd018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0efe44c33c1db0afd61bbe0f8a7f3ac2a55ee899c6288dc9278ce64d9d4bf294
[INFO] running `Command { std: "docker" "start" "-a" "0efe44c33c1db0afd61bbe0f8a7f3ac2a55ee899c6288dc9278ce64d9d4bf294", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trickster-152a7039594e339f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trickster
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/external/process.rs - external::process::Process::write_memory (line 227) ... FAILED
[INFO] [stdout] test src/external/process.rs - external::process::Process::read_memory (line 144) ... FAILED
[INFO] [stdout] test src/external/process.rs - external::process::Process::write_memory (line 196) ... FAILED
[INFO] [stdout] test src/external/process.rs - external::process::Process::new (line 36) ... FAILED
[INFO] [stdout] test src/external/process.rs - external::process::Process::read_memory (line 111) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/external/process.rs - external::process::Process::write_memory (line 227) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `ctx` in this scope
[INFO] [stdout]  --> src/external/process.rs:233:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | ctx.write_memory::<i32>(&kind_of_remote_var as *const i32 as usize, write_buffer)?;
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `kind_of_remote_var` in this scope
[INFO] [stdout]  --> src/external/process.rs:233:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | ctx.write_memory::<i32>(&kind_of_remote_var as *const i32 as usize, write_buffer)?;
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/external/process.rs:232:43
[INFO] [stdout]    |
[INFO] [stdout] 3  |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_external_process_rs_227_0() {
[INFO] [stdout]    |  ______________________________________-
[INFO] [stdout] 4  | | use byteorder::{LittleEndian, WriteBytesExt};
[INFO] [stdout] 5  | | // ...
[INFO] [stdout] 6  | | let mut write_buffer = Vec::new();
[INFO] [stdout] 7  | | write_buffer.write_i32::<LittleEndian>(10)?;
[INFO] [stdout]    | |                                           ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 8  | | ctx.write_memory::<i32>(&kind_of_remote_var as *const i32 as usize, write_buffer)?;
[INFO] [stdout] 9  | | // ...
[INFO] [stdout] 10 | | } _doctest_main_src_external_process_rs_227_0() }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/external/process.rs:233:82
[INFO] [stdout]    |
[INFO] [stdout] 3  |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_external_process_rs_227_0() {
[INFO] [stdout]    |  ______________________________________-
[INFO] [stdout] 4  | | use byteorder::{LittleEndian, WriteBytesExt};
[INFO] [stdout] 5  | | // ...
[INFO] [stdout] 6  | | let mut write_buffer = Vec::new();
[INFO] [stdout] 7  | | write_buffer.write_i32::<LittleEndian>(10)?;
[INFO] [stdout] 8  | | ctx.write_memory::<i32>(&kind_of_remote_var as *const i32 as usize, write_buffer)?;
[INFO] [stdout]    | |                                                                                  ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 9  | | // ...
[INFO] [stdout] 10 | | } _doctest_main_src_external_process_rs_227_0() }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/external/process.rs - external::process::Process::read_memory (line 144) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `ctx` in this scope
[INFO] [stdout]  --> src/external/process.rs:148:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut read_byte_buffer = ctx.read_memory::<i32>(&kind_of_remote_var as *const i32 as usize)?;
[INFO] [stdout]   |                            ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `kind_of_remote_var` in this scope
[INFO] [stdout]  --> src/external/process.rs:148:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut read_byte_buffer = ctx.read_memory::<i32>(&kind_of_remote_var as *const i32 as usize)?;
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/external/process.rs:148:94
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_external_process_rs_144_0() {
[INFO] [stdout]   |  ______________________________________-
[INFO] [stdout] 4 | | use byteorder::{LittleEndian, ReadBytesExt};
[INFO] [stdout] 5 | | // ...
[INFO] [stdout] 6 | | let mut read_byte_buffer = ctx.read_memory::<i32>(&kind_of_remote_var as *const i32 as usize)?;
[INFO] [stdout]   | |                                                                                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 7 | | println!("kind_of_remote_var from byte buffer: {}", read_byte_buffer.read_i32::<LittleEndian>()?);
[INFO] [stdout] 8 | | // ...
[INFO] [stdout] 9 | | } _doctest_main_src_external_process_rs_144_0() }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/external/process.rs:149:96
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_external_process_rs_144_0() {
[INFO] [stdout]   |  ______________________________________-
[INFO] [stdout] 4 | | use byteorder::{LittleEndian, ReadBytesExt};
[INFO] [stdout] 5 | | // ...
[INFO] [stdout] 6 | | let mut read_byte_buffer = ctx.read_memory::<i32>(&kind_of_remote_var as *const i32 as usize)?;
[INFO] [stdout] 7 | | println!("kind_of_remote_var from byte buffer: {}", read_byte_buffer.read_i32::<LittleEndian>()?);
[INFO] [stdout]   | |                                                                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 8 | | // ...
[INFO] [stdout] 9 | | } _doctest_main_src_external_process_rs_144_0() }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/external/process.rs - external::process::Process::write_memory (line 196) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Could not get process id of current_process_name.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/external/process.rs - external::process::Process::new (line 36) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Could not get process id of current_process_name.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/external/process.rs - external::process::Process::read_memory (line 111) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Could not get process id of current_process_name.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/external/process.rs - external::process::Process::new (line 36)
[INFO] [stdout]     src/external/process.rs - external::process::Process::read_memory (line 111)
[INFO] [stdout]     src/external/process.rs - external::process::Process::read_memory (line 144)
[INFO] [stdout]     src/external/process.rs - external::process::Process::write_memory (line 196)
[INFO] [stdout]     src/external/process.rs - external::process::Process::write_memory (line 227)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.74s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "0efe44c33c1db0afd61bbe0f8a7f3ac2a55ee899c6288dc9278ce64d9d4bf294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efe44c33c1db0afd61bbe0f8a7f3ac2a55ee899c6288dc9278ce64d9d4bf294", kill_on_drop: false }`
[INFO] [stdout] 0efe44c33c1db0afd61bbe0f8a7f3ac2a55ee899c6288dc9278ce64d9d4bf294
