[INFO] fetching crate trickster 0.0.6...
[INFO] testing trickster-0.0.6 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate trickster 0.0.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate trickster 0.0.6 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8634866f7dc11265baaa02d6683c81abc33bdb891ff35734fe2ee1513b095c5
[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" "e8634866f7dc11265baaa02d6683c81abc33bdb891ff35734fe2ee1513b095c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8634866f7dc11265baaa02d6683c81abc33bdb891ff35734fe2ee1513b095c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8634866f7dc11265baaa02d6683c81abc33bdb891ff35734fe2ee1513b095c5", kill_on_drop: false }`
[INFO] [stdout] e8634866f7dc11265baaa02d6683c81abc33bdb891ff35734fe2ee1513b095c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f159fc818f1234186a09574131ec8a58358595a5b86892958ca76a5204c05ef5
[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" "f159fc818f1234186a09574131ec8a58358595a5b86892958ca76a5204c05ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling scan_fmt v0.2.5
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling trickster v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.83s
[INFO] running `Command { std: "docker" "inspect" "f159fc818f1234186a09574131ec8a58358595a5b86892958ca76a5204c05ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f159fc818f1234186a09574131ec8a58358595a5b86892958ca76a5204c05ef5", kill_on_drop: false }`
[INFO] [stdout] f159fc818f1234186a09574131ec8a58358595a5b86892958ca76a5204c05ef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dece278e6fd5324fa07c90a5b142071e9f2a9230068266e6c5072ed818f8344a
[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" "dece278e6fd5324fa07c90a5b142071e9f2a9230068266e6c5072ed818f8344a", kill_on_drop: false }`
[INFO] [stderr]    Compiling trickster v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "dece278e6fd5324fa07c90a5b142071e9f2a9230068266e6c5072ed818f8344a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dece278e6fd5324fa07c90a5b142071e9f2a9230068266e6c5072ed818f8344a", kill_on_drop: false }`
[INFO] [stdout] dece278e6fd5324fa07c90a5b142071e9f2a9230068266e6c5072ed818f8344a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f67bc7e83e6d5712cd8cdfb32649a433a0d760c6c2e197b1fb32ed5bc8fc44cd
[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" "f67bc7e83e6d5712cd8cdfb32649a433a0d760c6c2e197b1fb32ed5bc8fc44cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trickster-b152487956a82cab
[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 trickster
[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::read_memory (line 111) ... 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] 
[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 `Try`)
[INFO] [stdout]   --> src/external/process.rs:232:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / fn main() {
[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 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[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 `Try`)
[INFO] [stdout]   --> src/external/process.rs:233:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / fn main() {
[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 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[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 `Try`)
[INFO] [stdout]  --> src/external/process.rs:148:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[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 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[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 `Try`)
[INFO] [stdout]  --> src/external/process.rs:149:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[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 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[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 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] ---- 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] 
[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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f67bc7e83e6d5712cd8cdfb32649a433a0d760c6c2e197b1fb32ed5bc8fc44cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67bc7e83e6d5712cd8cdfb32649a433a0d760c6c2e197b1fb32ed5bc8fc44cd", kill_on_drop: false }`
[INFO] [stdout] f67bc7e83e6d5712cd8cdfb32649a433a0d760c6c2e197b1fb32ed5bc8fc44cd
