[INFO] fetching crate snakeoil-wasm 0.1.0...
[INFO] testing snakeoil-wasm-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate snakeoil-wasm 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate snakeoil-wasm 0.1.0
[INFO] finished tweaking crates.io crate snakeoil-wasm 0.1.0
[INFO] tweaked toml for crates.io crate snakeoil-wasm 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snakeoil-wasm 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to highest compatible versions
[INFO] [stderr]       Adding wasmi v0.5.1 (available: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmi-validation v0.2.0
[INFO] [stderr]   Downloaded num-rational v0.2.4
[INFO] [stderr]   Downloaded memory_units v0.3.0
[INFO] [stderr]   Downloaded wasm-gen v0.1.4
[INFO] [stderr]   Downloaded leb128 v0.2.7
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded python_object v0.1.0
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded wasmi v0.5.1
[INFO] [stderr]   Downloaded parity-wasm v0.40.3
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44
[INFO] running `Command { std: "docker" "start" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.28
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling parity-wasm v0.40.3
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling leb128 v0.2.7
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling wasm-gen v0.1.4
[INFO] [stderr]    Compiling wasmi-validation v0.2.0
[INFO] [stderr]    Compiling wasmi v0.5.1
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling python_object v0.1.0
[INFO] [stderr]    Compiling snakeoil-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/heap/boolean.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HeapBoolean {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 14 |     addr: Symbol,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_symbol` is never used
[INFO] [stdout]   --> src/heap/boolean.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HeapBoolean {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn from_symbol(addr: Symbol) -> HeapBoolean {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/python_frame.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(code_object: &'a CodeObject) -> PythonFrame {
[INFO] [stdout]    |                              --                ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(code_object: &'a CodeObject) -> PythonFrame<'a> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.79s
[INFO] running `Command { std: "docker" "inspect" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling snakeoil-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/heap/boolean.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HeapBoolean {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 14 |     addr: Symbol,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_symbol` is never used
[INFO] [stdout]   --> src/heap/boolean.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HeapBoolean {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn from_symbol(addr: Symbol) -> HeapBoolean {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/python_frame.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(code_object: &'a CodeObject) -> PythonFrame {
[INFO] [stdout]    |                              --                ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(code_object: &'a CodeObject) -> PythonFrame<'a> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/heap/tuple.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let data = heap::HeapTuple::serialize(&tuple_object);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ ------------- argument #1 of type `&HashMap<String, u32>` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/heap/tuple.rs:20:12
[INFO] [stdout]     |
[INFO] [stdout]  20 |     pub fn serialize(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]  21 |         static_allocs: &HashMap<String, u32>,
[INFO] [stdout]     |         ------------------------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let data = heap::HeapTuple::serialize(/* &HashMap<String, u32> */, &tuple_object);
[INFO] [stdout]     |                                               ++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/heap/tuple.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let bytes = heap::HeapTuple::serialize(&tuple_object);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ ------------- argument #1 of type `&HashMap<String, u32>` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/heap/tuple.rs:20:12
[INFO] [stdout]     |
[INFO] [stdout]  20 |     pub fn serialize(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]  21 |         static_allocs: &HashMap<String, u32>,
[INFO] [stdout]     |         ------------------------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let bytes = heap::HeapTuple::serialize(/* &HashMap<String, u32> */, &tuple_object);
[INFO] [stdout]     |                                                ++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/test_runner.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         args: wasmi::RuntimeArgs,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snakeoil-wasm` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44", kill_on_drop: false }`
[INFO] [stdout] 6e2381b7358b2f3b0122b5a00e0b5d1a844d6c4a03e0b4a314f9f4813b4f4e44
