[INFO] fetching crate trickster 0.0.6...
[INFO] testing trickster-0.0.6 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate trickster 0.0.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate trickster 0.0.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05811c2f736aa95de16df38f2c3c011029039599c6262aa577c17dd92227de0c
[INFO] running `Command { std: "docker" "start" "-a" "05811c2f736aa95de16df38f2c3c011029039599c6262aa577c17dd92227de0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05811c2f736aa95de16df38f2c3c011029039599c6262aa577c17dd92227de0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05811c2f736aa95de16df38f2c3c011029039599c6262aa577c17dd92227de0c", kill_on_drop: false }`
[INFO] [stdout] 05811c2f736aa95de16df38f2c3c011029039599c6262aa577c17dd92227de0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec1681790036be5ce24b8708cc4666beecd641e1b9780bb1ec8300010a962d45
[INFO] running `Command { std: "docker" "start" "-a" "ec1681790036be5ce24b8708cc4666beecd641e1b9780bb1ec8300010a962d45", 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 6.00s
[INFO] running `Command { std: "docker" "inspect" "ec1681790036be5ce24b8708cc4666beecd641e1b9780bb1ec8300010a962d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1681790036be5ce24b8708cc4666beecd641e1b9780bb1ec8300010a962d45", kill_on_drop: false }`
[INFO] [stdout] ec1681790036be5ce24b8708cc4666beecd641e1b9780bb1ec8300010a962d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d48febed4b8c422ba8100b26c6317c78c85641714eac40d32c1e82cab6d5db84
[INFO] running `Command { std: "docker" "start" "-a" "d48febed4b8c422ba8100b26c6317c78c85641714eac40d32c1e82cab6d5db84", kill_on_drop: false }`
[INFO] [stderr]    Compiling trickster v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "d48febed4b8c422ba8100b26c6317c78c85641714eac40d32c1e82cab6d5db84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48febed4b8c422ba8100b26c6317c78c85641714eac40d32c1e82cab6d5db84", kill_on_drop: false }`
[INFO] [stdout] d48febed4b8c422ba8100b26c6317c78c85641714eac40d32c1e82cab6d5db84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38903e5ab11b9efc05b43de489496f3257436818df36212e867047ebd39fd17c
[INFO] running `Command { std: "docker" "start" "-a" "38903e5ab11b9efc05b43de489496f3257436818df36212e867047ebd39fd17c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trickster-22304ef3d749bcf7)
[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] [stderr]    Doc-tests trickster
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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 227) ... 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] test src/external/process.rs - external::process::Process::write_memory (line 196) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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 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::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] ---- 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] 
[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 2.48s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "38903e5ab11b9efc05b43de489496f3257436818df36212e867047ebd39fd17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38903e5ab11b9efc05b43de489496f3257436818df36212e867047ebd39fd17c", kill_on_drop: false }`
[INFO] [stdout] 38903e5ab11b9efc05b43de489496f3257436818df36212e867047ebd39fd17c
