[INFO] updating cached repository https://github.com/andrewf/tellurium
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d66eea978ce531cd94cf951e1e239445484bb406
[INFO] testing andrewf/tellurium against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewf%2Ftellurium" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewf/tellurium on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/andrewf/tellurium
[INFO] finished tweaking git repo https://github.com/andrewf/tellurium
[INFO] tweaked toml for git repo https://github.com/andrewf/tellurium written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewf/tellurium already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 71fdfe36f1a86f3bb7f45e24040ff8ba47d9a36c5b9ea62841aa88b66a8bcdcd
[INFO] running `"docker" "start" "-a" "71fdfe36f1a86f3bb7f45e24040ff8ba47d9a36c5b9ea62841aa88b66a8bcdcd"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.1.39
[INFO] [stderr]    Compiling num-rational v0.1.38
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling tellurium v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(box_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(plugin)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdout`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::stdout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::BigInt`
[INFO] [stderr]  --> src/flowgraph.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num::BigInt;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::repeat`
[INFO] [stderr]  --> src/codegen.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::repeat;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::FromPrimitive`
[INFO] [stderr]  --> src/codegen.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num::FromPrimitive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::BigInt`
[INFO] [stderr]  --> src/codegen.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use num::BigInt;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `flowgraph`
[INFO] [stderr]  --> src/codegen.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use flowgraph;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen.rs:174:24
[INFO] [stderr]     |
[INFO] [stderr] 174 |             -> Result<&CallingConvention, Error> {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CallingConvention`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen.rs:184:33
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn codegen(&self, out: &mut Write, prog: CheckedProgram) -> Result<(), CodeGenError> {
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen.rs:189:26
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn codegen_x86(out: &mut Write, plat: &Platform, prog: CheckedProgram) -> Result<(), CodeGenError> {
[INFO] [stderr]     |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen.rs:189:40
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn codegen_x86(out: &mut Write, plat: &Platform, prog: CheckedProgram) -> Result<(), CodeGenError> {
[INFO] [stderr]     |                                        ^^^^^^^^ help: use `dyn`: `dyn Platform`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen.rs:218:31
[INFO] [stderr]     |
[INFO] [stderr] 218 | fn codegen_function(out: &mut Write,
[INFO] [stderr]     |                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen.rs:219:28
[INFO] [stderr]     |
[INFO] [stderr] 219 |                     plat: &Platform,
[INFO] [stderr]     |                            ^^^^^^^^ help: use `dyn`: `dyn Platform`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen.rs:449:28
[INFO] [stderr]     |
[INFO] [stderr] 449 | fn generate_move(out: &mut Write, src: &hw::Loc, dst: &hw::Loc) -> Result<(), CodeGenError> {
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parsetree::Statement::*`
[INFO] [stderr]  --> src/typeck.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use parsetree::Statement::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/typeck.rs:246:32
[INFO] [stderr]     |
[INFO] [stderr] 246 | fn flowgen_function<'a>(plat: &Platform,
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn Platform`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/typeck.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                     plat: &Platform,
[INFO] [stderr]     |                            ^^^^^^^^ help: use `dyn`: `dyn Platform`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/platform.rs:49:72
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn get_calling_convention(&self, name: &Option<String>) -> Result<&CallingConvention, Error>;
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CallingConvention`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/platform.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn codegen(&self, out: &mut Write, prog: CheckedProgram) -> Result<(), CodeGenError>;
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `codegen::IntelPlatform`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use codegen::IntelPlatform;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `tellurium`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "71fdfe36f1a86f3bb7f45e24040ff8ba47d9a36c5b9ea62841aa88b66a8bcdcd"`
[INFO] running `"docker" "rm" "-f" "71fdfe36f1a86f3bb7f45e24040ff8ba47d9a36c5b9ea62841aa88b66a8bcdcd"`
[INFO] [stdout] 71fdfe36f1a86f3bb7f45e24040ff8ba47d9a36c5b9ea62841aa88b66a8bcdcd