[INFO] updating cached repository TheToolbox/json-toy [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/TheToolbox/json-toy [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/TheToolbox/json-toy" "work/ex/beta-1.38-1/sources/1.37.0/gh/TheToolbox/json-toy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TheToolbox/json-toy'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/TheToolbox/json-toy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheToolbox/json-toy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheToolbox/json-toy'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 54dfa3ac5a5d0ac2c0ae4aad689b190e9ad4256c [INFO] sha for GitHub repo TheToolbox/json-toy: 54dfa3ac5a5d0ac2c0ae4aad689b190e9ad4256c [INFO] validating manifest of TheToolbox/json-toy on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of TheToolbox/json-toy on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing TheToolbox/json-toy [INFO] finished frobbing TheToolbox/json-toy [INFO] frobbed toml for TheToolbox/json-toy written to work/ex/beta-1.38-1/sources/1.37.0/gh/TheToolbox/json-toy/Cargo.toml [INFO] started frobbing TheToolbox/json-toy [INFO] finished frobbing TheToolbox/json-toy [INFO] frobbed toml for TheToolbox/json-toy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheToolbox/json-toy/Cargo.toml [INFO] crate TheToolbox/json-toy already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing TheToolbox/json-toy against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheToolbox/json-toy:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 5b1961e8e6a4b741fb512ee54cb3fb9df39b50d1628faa2ed322bde1eb251183 [INFO] running `"docker" "start" "-a" "5b1961e8e6a4b741fb512ee54cb3fb9df39b50d1628faa2ed322bde1eb251183"` [INFO] [stderr] Compiling json-toy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:134:25 [INFO] [stderr] | [INFO] [stderr] 134 | ///invalid numbers can get past here still, needs to be fixed TODO [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | ---------------------------------------------------------------------------------------------------- rustdoc does not generate documentation for match arms [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:169:5 [INFO] [stderr] | [INFO] [stderr] 169 | ///Confirm that we can construct objects as expected [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 170 | let _z = JSON::Array(vec![JSON::Boolean(true)]); [INFO] [stderr] | ------------------------------------------------ rustdoc does not generate documentation for statements [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | ///Load up a few examples to test parsing [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 172 | / let examples = vec![ [INFO] [stderr] 173 | | ///Test parsing a single string [INFO] [stderr] 174 | | "\"strung\"", [INFO] [stderr] 175 | | ///Empty array [INFO] [stderr] ... | [INFO] [stderr] 195 | | \"clastic\": 34.3 [INFO] [stderr] 196 | | }"]; [INFO] [stderr] | |____- rustdoc does not generate documentation for statements [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:197:5 [INFO] [stderr] | [INFO] [stderr] 197 | /// [INFO] [stderr] | ^^^ [INFO] [stderr] 198 | //println!("{:?}", examples); [INFO] [stderr] 199 | / for e in &examples { [INFO] [stderr] 200 | | let _a = JSON::new(e.to_string()); [INFO] [stderr] 201 | | println!("{} \n\t\t\t\t\t=> {:?}", e, _a); [INFO] [stderr] 202 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:206:5 [INFO] [stderr] | [INFO] [stderr] 206 | ///Run tests [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 207 | test(); [INFO] [stderr] | ------ rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | macro_rules! TODO { () => (unreachable!()) } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:86:51 [INFO] [stderr] | [INFO] [stderr] 86 | None => { retval = Ok($item); state = ExpectingNothingElse; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:87:74 [INFO] [stderr] | [INFO] [stderr] 87 | Some(&mut JSON::Array(ref mut a)) => {a.push($item); state = ExpectingComma; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:91:82 [INFO] [stderr] | [INFO] [stderr] 91 | Some(k) => {o.insert(k,$item); key_stack.push(None); state = ExpectingComma; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:94:83 [INFO] [stderr] | [INFO] [stderr] 94 | JSON::String(s) => { key_stack.push(Some(s)); state = ExpectingColon; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:86:51 [INFO] [stderr] | [INFO] [stderr] 86 | None => { retval = Ok($item); state = ExpectingNothingElse; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 136 | ',' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); state = ExpectingItem; } [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:87:74 [INFO] [stderr] | [INFO] [stderr] 87 | Some(&mut JSON::Array(ref mut a)) => {a.push($item); state = ExpectingComma; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 136 | ',' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); state = ExpectingItem; } [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:91:82 [INFO] [stderr] | [INFO] [stderr] 91 | Some(k) => {o.insert(k,$item); key_stack.push(None); state = ExpectingComma; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 136 | ',' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); state = ExpectingItem; } [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:94:83 [INFO] [stderr] | [INFO] [stderr] 94 | JSON::String(s) => { key_stack.push(Some(s)); state = ExpectingColon; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 136 | ',' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); state = ExpectingItem; } [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `"docker" "inspect" "5b1961e8e6a4b741fb512ee54cb3fb9df39b50d1628faa2ed322bde1eb251183"` [INFO] running `"docker" "rm" "-f" "5b1961e8e6a4b741fb512ee54cb3fb9df39b50d1628faa2ed322bde1eb251183"` [INFO] [stdout] 5b1961e8e6a4b741fb512ee54cb3fb9df39b50d1628faa2ed322bde1eb251183 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheToolbox/json-toy:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 1f55fd61b3c5f6bdb02f2ee8fac63947f386edfe206653ab7d2df48e07b7c7a0 [INFO] running `"docker" "start" "-a" "1f55fd61b3c5f6bdb02f2ee8fac63947f386edfe206653ab7d2df48e07b7c7a0"` [INFO] [stderr] Compiling json-toy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:134:25 [INFO] [stderr] | [INFO] [stderr] 134 | ///invalid numbers can get past here still, needs to be fixed TODO [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | ---------------------------------------------------------------------------------------------------- rustdoc does not generate documentation for match arms [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:169:5 [INFO] [stderr] | [INFO] [stderr] 169 | ///Confirm that we can construct objects as expected [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 170 | let _z = JSON::Array(vec![JSON::Boolean(true)]); [INFO] [stderr] | ------------------------------------------------ rustdoc does not generate documentation for statements [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | ///Load up a few examples to test parsing [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 172 | / let examples = vec![ [INFO] [stderr] 173 | | ///Test parsing a single string [INFO] [stderr] 174 | | "\"strung\"", [INFO] [stderr] 175 | | ///Empty array [INFO] [stderr] ... | [INFO] [stderr] 195 | | \"clastic\": 34.3 [INFO] [stderr] 196 | | }"]; [INFO] [stderr] | |____- rustdoc does not generate documentation for statements [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:197:5 [INFO] [stderr] | [INFO] [stderr] 197 | /// [INFO] [stderr] | ^^^ [INFO] [stderr] 198 | //println!("{:?}", examples); [INFO] [stderr] 199 | / for e in &examples { [INFO] [stderr] 200 | | let _a = JSON::new(e.to_string()); [INFO] [stderr] 201 | | println!("{} \n\t\t\t\t\t=> {:?}", e, _a); [INFO] [stderr] 202 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:206:5 [INFO] [stderr] | [INFO] [stderr] 206 | ///Run tests [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 207 | test(); [INFO] [stderr] | ------ rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | macro_rules! TODO { () => (unreachable!()) } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:86:51 [INFO] [stderr] | [INFO] [stderr] 86 | None => { retval = Ok($item); state = ExpectingNothingElse; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:87:74 [INFO] [stderr] | [INFO] [stderr] 87 | Some(&mut JSON::Array(ref mut a)) => {a.push($item); state = ExpectingComma; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:91:82 [INFO] [stderr] | [INFO] [stderr] 91 | Some(k) => {o.insert(k,$item); key_stack.push(None); state = ExpectingComma; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:94:83 [INFO] [stderr] | [INFO] [stderr] 94 | JSON::String(s) => { key_stack.push(Some(s)); state = ExpectingColon; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 135 | '}' | ']' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); PopObject!(); }, [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:86:51 [INFO] [stderr] | [INFO] [stderr] 86 | None => { retval = Ok($item); state = ExpectingNothingElse; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 136 | ',' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); state = ExpectingItem; } [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:87:74 [INFO] [stderr] | [INFO] [stderr] 87 | Some(&mut JSON::Array(ref mut a)) => {a.push($item); state = ExpectingComma; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 136 | ',' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); state = ExpectingItem; } [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:91:82 [INFO] [stderr] | [INFO] [stderr] 91 | Some(k) => {o.insert(k,$item); key_stack.push(None); state = ExpectingComma; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 136 | ',' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); state = ExpectingItem; } [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `state` is never read [INFO] [stderr] --> main.rs:94:83 [INFO] [stderr] | [INFO] [stderr] 94 | JSON::String(s) => { key_stack.push(Some(s)); state = ExpectingColon; }, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 136 | ',' => { CompleteItem!(JSON::Number(input[start..i].parse::().unwrap())); state = ExpectingItem; } [INFO] [stderr] | --------------------------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `"docker" "inspect" "1f55fd61b3c5f6bdb02f2ee8fac63947f386edfe206653ab7d2df48e07b7c7a0"` [INFO] running `"docker" "rm" "-f" "1f55fd61b3c5f6bdb02f2ee8fac63947f386edfe206653ab7d2df48e07b7c7a0"` [INFO] [stdout] 1f55fd61b3c5f6bdb02f2ee8fac63947f386edfe206653ab7d2df48e07b7c7a0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheToolbox/json-toy:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 6dbb4d04eabf3eb16cbe7b854a35bef5924260ac116991c6aae37d1733613783 [INFO] running `"docker" "start" "-a" "6dbb4d04eabf3eb16cbe7b854a35bef5924260ac116991c6aae37d1733613783"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/json_toy-4ce6fb141478dcb4 [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] running `"docker" "inspect" "6dbb4d04eabf3eb16cbe7b854a35bef5924260ac116991c6aae37d1733613783"` [INFO] running `"docker" "rm" "-f" "6dbb4d04eabf3eb16cbe7b854a35bef5924260ac116991c6aae37d1733613783"` [INFO] [stdout] 6dbb4d04eabf3eb16cbe7b854a35bef5924260ac116991c6aae37d1733613783