[INFO] fetching crate qutonium 0.1.6...
[INFO] checking qutonium-0.1.6 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate qutonium 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate qutonium 0.1.6
[INFO] finished tweaking crates.io crate qutonium 0.1.6
[INFO] tweaked toml for crates.io crate qutonium 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qutonium 0.1.6 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qutonium 0.1.6 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0d93ac356db42c32feb7d8e3cb813fe4b2262034997a0c0c02400daace6b497
[INFO] running `Command { std: "docker" "start" "-a" "d0d93ac356db42c32feb7d8e3cb813fe4b2262034997a0c0c02400daace6b497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0d93ac356db42c32feb7d8e3cb813fe4b2262034997a0c0c02400daace6b497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d93ac356db42c32feb7d8e3cb813fe4b2262034997a0c0c02400daace6b497", kill_on_drop: false }`
[INFO] [stdout] d0d93ac356db42c32feb7d8e3cb813fe4b2262034997a0c0c02400daace6b497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e319560ace980f69507c021e72d945d2ce384a69697e964eb64cc16b0beb53e
[INFO] running `Command { std: "docker" "start" "-a" "5e319560ace980f69507c021e72d945d2ce384a69697e964eb64cc16b0beb53e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking qute v0.0.11
[INFO] [stderr]    Compiling mini-internal v0.1.13
[INFO] [stderr]     Checking miniserde v0.1.13
[INFO] [stderr]     Checking qutonium v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `hooks` and `result` are never read
[INFO] [stdout]   --> src/core/suiter.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct SuiteCase {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 24 |   hooks: HashMap<HookType, Box<dyn Closure>>,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 25 |   name: &'static str,
[INFO] [stdout] 26 |   result: Option<Suite>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SuiteCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Log` is never constructed
[INFO] [stdout]  --> src/utils/log.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Log<T> (T);
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) 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/core/suiter.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 | #[derive(Debug, Serialize)]
[INFO] [stdout]     |                 ^--------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Serialize` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_Suite`
[INFO] [stdout] 110 | pub struct Suite {
[INFO] [stdout]     |            ----- `Suite` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Serialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[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 `Serialize` (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/core/tester.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug, Serialize)]
[INFO] [stdout]    |                 ^--------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Serialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_Test`
[INFO] [stdout] 29 | pub struct Test {
[INFO] [stdout]    |            ---- `Test` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[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 `Serialize` (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/core/timer.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Copy, Clone, Debug, Serialize)]
[INFO] [stdout]   |                              ^--------
[INFO] [stdout]   |                              |
[INFO] [stdout]   |                              `Serialize` is not local
[INFO] [stdout]   |                              move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_TimeUnitType`
[INFO] [stdout] 8 | pub enum TimeUnitType {
[INFO] [stdout]   |          ------------ `TimeUnitType` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[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 `Serialize` (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/core/timer.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Clone, Copy, Debug, Serialize)]
[INFO] [stdout]    |                              ^--------
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              `Serialize` is not local
[INFO] [stdout]    |                              move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_TimeUnit`
[INFO] [stdout] 17 | pub struct TimeUnit {
[INFO] [stdout]    |            -------- `TimeUnit` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[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 `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/exports/export.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 |       filename: self.filename.clone(),
[INFO] [stdout]    |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/exports/export.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |       pathname: self.pathname.clone(),
[INFO] [stdout]    |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hooks` and `result` are never read
[INFO] [stdout]   --> src/core/suiter.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct SuiteCase {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 24 |   hooks: HashMap<HookType, Box<dyn Closure>>,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 25 |   name: &'static str,
[INFO] [stdout] 26 |   result: Option<Suite>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SuiteCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Log` is never constructed
[INFO] [stdout]  --> src/utils/log.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Log<T> (T);
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) 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/core/suiter.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 | #[derive(Debug, Serialize)]
[INFO] [stdout]     |                 ^--------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Serialize` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_Suite`
[INFO] [stdout] 110 | pub struct Suite {
[INFO] [stdout]     |            ----- `Suite` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Serialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[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 `Serialize` (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/core/tester.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug, Serialize)]
[INFO] [stdout]    |                 ^--------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Serialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_Test`
[INFO] [stdout] 29 | pub struct Test {
[INFO] [stdout]    |            ---- `Test` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[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 `Serialize` (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/core/timer.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Copy, Clone, Debug, Serialize)]
[INFO] [stdout]   |                              ^--------
[INFO] [stdout]   |                              |
[INFO] [stdout]   |                              `Serialize` is not local
[INFO] [stdout]   |                              move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_TimeUnitType`
[INFO] [stdout] 8 | pub enum TimeUnitType {
[INFO] [stdout]   |          ------------ `TimeUnitType` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[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 `Serialize` (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/core/timer.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Clone, Copy, Debug, Serialize)]
[INFO] [stdout]    |                              ^--------
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              `Serialize` is not local
[INFO] [stdout]    |                              move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_TimeUnit`
[INFO] [stdout] 17 | pub struct TimeUnit {
[INFO] [stdout]    |            -------- `TimeUnit` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[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 `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/exports/export.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 |       filename: self.filename.clone(),
[INFO] [stdout]    |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/exports/export.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |       pathname: self.pathname.clone(),
[INFO] [stdout]    |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qutonium` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `qutonium` (lib) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5e319560ace980f69507c021e72d945d2ce384a69697e964eb64cc16b0beb53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e319560ace980f69507c021e72d945d2ce384a69697e964eb64cc16b0beb53e", kill_on_drop: false }`
[INFO] [stdout] 5e319560ace980f69507c021e72d945d2ce384a69697e964eb64cc16b0beb53e
