[INFO] fetching crate runner 0.5.0...
[INFO] checking runner-0.5.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate runner 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate runner 0.5.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate runner 0.5.0
[INFO] finished tweaking crates.io crate runner 0.5.0
[INFO] tweaked toml for crates.io crate runner 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate runner 0.5.0 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded open v1.2.1
[INFO] [stderr]   Downloaded json v0.11.12
[INFO] [stderr]   Downloaded lapp v0.4.0
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded synstructure v0.10.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.14
[INFO] [stderr]   Downloaded autocfg v0.1.2
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[INFO] [stderr]   Downloaded cc v1.0.36
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded syn v0.15.34
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded easy-shortcuts v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded libc v0.2.54
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa294111f3f60b4df70e18e4967eb66a7af51670e68e8336b8c5a96c408b2b43
[INFO] running `Command { std: "docker" "start" "-a" "aa294111f3f60b4df70e18e4967eb66a7af51670e68e8336b8c5a96c408b2b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa294111f3f60b4df70e18e4967eb66a7af51670e68e8336b8c5a96c408b2b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa294111f3f60b4df70e18e4967eb66a7af51670e68e8336b8c5a96c408b2b43", kill_on_drop: false }`
[INFO] [stdout] aa294111f3f60b4df70e18e4967eb66a7af51670e68e8336b8c5a96c408b2b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e013a7539e1b33449511b4d3b84b945a62808508e1df65a9930d22099b5a64
[INFO] running `Command { std: "docker" "start" "-a" "d6e013a7539e1b33449511b4d3b84b945a62808508e1df65a9930d22099b5a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking open v1.2.1
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking lapp v0.4.0
[INFO] [stderr]     Checking easy-shortcuts v0.3.0
[INFO] [stderr]     Checking json v0.11.12
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking runner v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/regex.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | let re = Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap();
[INFO] [stdout]   | ^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `let` cannot be used for global variables
[INFO] [stdout]   | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/filetime.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | let metadata = fs::metadata("filetime.rs").unwrap();
[INFO] [stdout]   | ^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `let` cannot be used for global variables
[INFO] [stdout]   | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runner` (example "regex") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `runner` (example "filetime") due to 1 previous error
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> examples/read.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | let code = fs::read_to_string("read.rs")?;
[INFO] [stdout]   | ^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `let` cannot be used for global variables
[INFO] [stdout]   | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runner` (example "read") due to 1 previous error
[INFO] [stdout] error: macro expansion ignores `{` and any tokens following
[INFO] [stdout]  --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/macros.rs:142:23
[INFO] [stdout]   |
[INFO] [stdout]  ::: examples/json.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / println!("{}",
[INFO] [stdout] 5 | |     json! ({
[INFO] [stdout] 6 | |         "hello": 42,
[INFO] [stdout] 7 | |     })
[INFO] [stdout] 8 | | );
[INFO] [stdout]   | |_- caused by the macro expansion here
[INFO] [stdout]   |
[INFO] [stdout]   = note: the usage of `println!` is likely invalid in item context
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro expansion ignores `{` and any tokens following
[INFO] [stdout]  --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/macros.rs:142:23
[INFO] [stdout]   |
[INFO] [stdout]  ::: examples/hello.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | println!("hello, world!");
[INFO] [stdout]   | ------------------------- caused by the macro expansion here
[INFO] [stdout]   |
[INFO] [stdout]   = note: the usage of `println!` is likely invalid in item context
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `hello`
[INFO] [stdout]  --> examples/hello.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | println!("hello, world!");
[INFO] [stdout]   |                           ^ consider adding a `main` function to `examples/hello.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde_json`
[INFO] [stdout]  --> examples/json.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::json;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `json`
[INFO] [stdout]  --> examples/json.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | );
[INFO] [stdout]   |   ^ consider adding a `main` function to `examples/json.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runner` (example "hello") due to 2 previous errors
[INFO] [stderr] error: could not compile `runner` (example "json") due to 3 previous errors
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/cargo_lock.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Package {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub source: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/cargo_lock.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Deserialize)]
[INFO] [stdout]   |          ^----------
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Deserialize` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_CargoLock`
[INFO] [stdout] 7 | pub struct CargoLock {
[INFO] [stdout]   |            --------- `CargoLock` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/cargo_lock.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Deserialize)]
[INFO] [stdout]    |          ^----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Deserialize` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Package`
[INFO] [stdout] 12 | pub struct Package {
[INFO] [stdout]    |            ------- `Package` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/cargo_lock.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Package {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub source: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/cargo_lock.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Deserialize)]
[INFO] [stdout]   |          ^----------
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Deserialize` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_CargoLock`
[INFO] [stdout] 7 | pub struct CargoLock {
[INFO] [stdout]   |            --------- `CargoLock` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/cargo_lock.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Deserialize)]
[INFO] [stdout]    |          ^----------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Deserialize` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Package`
[INFO] [stdout] 12 | pub struct Package {
[INFO] [stdout]    |            ------- `Package` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6e013a7539e1b33449511b4d3b84b945a62808508e1df65a9930d22099b5a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e013a7539e1b33449511b4d3b84b945a62808508e1df65a9930d22099b5a64", kill_on_drop: false }`
[INFO] [stdout] d6e013a7539e1b33449511b4d3b84b945a62808508e1df65a9930d22099b5a64
