[INFO] cloning repository https://github.com/mist-lang/mist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mist-lang/mist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmist-lang%2Fmist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmist-lang%2Fmist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad02ce2b6d722c5cc41cf3e11a4c0c86bd4557c1
[INFO] testing mist-lang/mist against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmist-lang%2Fmist" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mist-lang/mist on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mist-lang/mist
[INFO] finished tweaking git repo https://github.com/mist-lang/mist
[INFO] tweaked toml for git repo https://github.com/mist-lang/mist written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mist-lang/mist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded handlebars v3.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 961de3931f9abc4f1e033d26f5c1ca22bbac949ddbd6173234b4e3cca077089e
[INFO] running `Command { std: "docker" "start" "-a" "961de3931f9abc4f1e033d26f5c1ca22bbac949ddbd6173234b4e3cca077089e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "961de3931f9abc4f1e033d26f5c1ca22bbac949ddbd6173234b4e3cca077089e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961de3931f9abc4f1e033d26f5c1ca22bbac949ddbd6173234b4e3cca077089e", kill_on_drop: false }`
[INFO] [stdout] 961de3931f9abc4f1e033d26f5c1ca22bbac949ddbd6173234b4e3cca077089e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f63e30d62d2509184f0268ed57f0b1d51e8fa368af97af0c4c011e7579d8a6
[INFO] running `Command { std: "docker" "start" "-a" "08f63e30d62d2509184f0268ed57f0b1d51e8fa368af97af0c4c011e7579d8a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling handlebars v3.5.4
[INFO] [stderr]    Compiling mist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `stmts` is never read
[INFO] [stdout]   --> src/ast/mod.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 38 |     stmts: Vec<Stmt>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `valtype` are never read
[INFO] [stdout]    --> src/webassembly.rs:107:2
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Local {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 107 |     name: Index,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 108 |     valtype: ValType,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Local` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "08f63e30d62d2509184f0268ed57f0b1d51e8fa368af97af0c4c011e7579d8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f63e30d62d2509184f0268ed57f0b1d51e8fa368af97af0c4c011e7579d8a6", kill_on_drop: false }`
[INFO] [stdout] 08f63e30d62d2509184f0268ed57f0b1d51e8fa368af97af0c4c011e7579d8a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 607ed0d236f0393152f00b6602120eb0a571f5f91e6d3228f35bcc27b9bca26d
[INFO] running `Command { std: "docker" "start" "-a" "607ed0d236f0393152f00b6602120eb0a571f5f91e6d3228f35bcc27b9bca26d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `stmts` is never read
[INFO] [stdout]   --> src/ast/mod.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 38 |     stmts: Vec<Stmt>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `valtype` are never read
[INFO] [stdout]    --> src/webassembly.rs:107:2
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Local {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 107 |     name: Index,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 108 |     valtype: ValType,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Local` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stmts` is never read
[INFO] [stdout]   --> src/ast/mod.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 38 |     stmts: Vec<Stmt>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `valtype` are never read
[INFO] [stdout]    --> src/webassembly.rs:107:2
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct Local {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 107 |     name: Index,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 108 |     valtype: ValType,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Local` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "607ed0d236f0393152f00b6602120eb0a571f5f91e6d3228f35bcc27b9bca26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607ed0d236f0393152f00b6602120eb0a571f5f91e6d3228f35bcc27b9bca26d", kill_on_drop: false }`
[INFO] [stdout] 607ed0d236f0393152f00b6602120eb0a571f5f91e6d3228f35bcc27b9bca26d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9c470000ef00ab53496e1e2c09f3731a926fbbda2290bacb4d5fe01788824e2
[INFO] running `Command { std: "docker" "start" "-a" "f9c470000ef00ab53496e1e2c09f3731a926fbbda2290bacb4d5fe01788824e2", kill_on_drop: false }`
[INFO] [stderr] warning: field `stmts` is never read
[INFO] [stderr]   --> src/ast/mod.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct Block {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 38 |     stmts: Vec<Stmt>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `valtype` are never read
[INFO] [stderr]    --> src/webassembly.rs:107:2
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub struct Local {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 107 |     name: Index,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 108 |     valtype: ValType,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Local` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `mist` (lib) generated 2 warnings
[INFO] [stderr] warning: `mist` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mist-bc5381b82e4a0752)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mist-c29af702f489fbc2)
[INFO] [stdout] 
[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] [stderr]    Doc-tests mist
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "f9c470000ef00ab53496e1e2c09f3731a926fbbda2290bacb4d5fe01788824e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c470000ef00ab53496e1e2c09f3731a926fbbda2290bacb4d5fe01788824e2", kill_on_drop: false }`
[INFO] [stdout] f9c470000ef00ab53496e1e2c09f3731a926fbbda2290bacb4d5fe01788824e2