[INFO] fetching crate serde_json_v8 0.0.1... [INFO] testing serde_json_v8-0.0.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate serde_json_v8 0.0.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate serde_json_v8 0.0.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_json_v8 0.0.1 [INFO] finished tweaking crates.io crate serde_json_v8 0.0.1 [INFO] tweaked toml for crates.io crate serde_json_v8 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74a17c6d3ebf3b0ccf5c261a79f6d7ad23dd8b77db75220cce4306d0bf62fd08 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "74a17c6d3ebf3b0ccf5c261a79f6d7ad23dd8b77db75220cce4306d0bf62fd08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74a17c6d3ebf3b0ccf5c261a79f6d7ad23dd8b77db75220cce4306d0bf62fd08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74a17c6d3ebf3b0ccf5c261a79f6d7ad23dd8b77db75220cce4306d0bf62fd08", kill_on_drop: false }` [INFO] [stdout] 74a17c6d3ebf3b0ccf5c261a79f6d7ad23dd8b77db75220cce4306d0bf62fd08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88702f94d4044c72585b1123d17d6ed1b39274266834585c9ec82c7f5f0decd5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "88702f94d4044c72585b1123d17d6ed1b39274266834585c9ec82c7f5f0decd5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling serde_json_v8 v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:321:1 [INFO] [stdout] | [INFO] [stdout] 321 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.85s [INFO] running `Command { std: "docker" "inspect" "88702f94d4044c72585b1123d17d6ed1b39274266834585c9ec82c7f5f0decd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88702f94d4044c72585b1123d17d6ed1b39274266834585c9ec82c7f5f0decd5", kill_on_drop: false }` [INFO] [stdout] 88702f94d4044c72585b1123d17d6ed1b39274266834585c9ec82c7f5f0decd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a5e1ebb1c52156870d420b2728a523307a9121ce8ef16fe50056e6a4bdfc17e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7a5e1ebb1c52156870d420b2728a523307a9121ce8ef16fe50056e6a4bdfc17e", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling object v0.22.0 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling compiletest_rs v0.3.26 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling psm v0.1.12 [INFO] [stderr] Compiling stacker v0.1.12 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling automod v0.1.2 [INFO] [stderr] Compiling serde_bytes v0.11.5 [INFO] [stderr] Compiling filetime v0.2.13 [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:321:1 [INFO] [stdout] | [INFO] [stdout] 321 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling serde_stacker v0.1.4 [INFO] [stderr] Compiling tester v0.6.0 [INFO] [stderr] Compiling addr2line v0.14.0 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling rustfix v0.4.6 [INFO] [stderr] Compiling serde_json_v8 v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:321:1 [INFO] [stdout] | [INFO] [stdout] 321 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 38.59s [INFO] running `Command { std: "docker" "inspect" "7a5e1ebb1c52156870d420b2728a523307a9121ce8ef16fe50056e6a4bdfc17e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a5e1ebb1c52156870d420b2728a523307a9121ce8ef16fe50056e6a4bdfc17e", kill_on_drop: false }` [INFO] [stdout] 7a5e1ebb1c52156870d420b2728a523307a9121ce8ef16fe50056e6a4bdfc17e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6bcb9b2524307565829fce09311e21d19a1e384ecfc7689b71cb64e2809f7760 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6bcb9b2524307565829fce09311e21d19a1e384ecfc7689b71cb64e2809f7760", kill_on_drop: false }` [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:321:1 [INFO] [stderr] | [INFO] [stderr] 321 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:321:1 [INFO] [stderr] | [INFO] [stderr] 321 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/serde_json_v8-1864128e58d6a710 [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests serde_json_v8 [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 121) ... FAILED [INFO] [stdout] test src/lib.rs - (line 244) ... FAILED [INFO] [stdout] test src/lib.rs - (line 43) ... ok [INFO] [stdout] test src/lib.rs - (line 213) ... ok [INFO] [stdout] test src/lib.rs - (line 63) ... ok [INFO] [stdout] test src/lib.rs - (line 184) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 121) stdout ---- [INFO] [stdout] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stdout] --> src/lib.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize}; [INFO] [stdout] | ----------- previous import of the macro `Deserialize` here [INFO] [stdout] 3 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^-- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` reimported here [INFO] [stdout] | help: remove unnecessary import [INFO] [stdout] | [INFO] [stdout] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stdout] [INFO] [stdout] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stdout] --> src/lib.rs:123:26 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize}; [INFO] [stdout] | --------- previous import of the macro `Serialize` here [INFO] [stdout] 3 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stdout] | [INFO] [stdout] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0252`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 244) stdout ---- [INFO] [stdout] error[E0252]: the name `Deserialize` is defined multiple times [INFO] [stdout] --> src/lib.rs:246:13 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize}; [INFO] [stdout] | ----------- previous import of the macro `Deserialize` here [INFO] [stdout] 3 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^-- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` reimported here [INFO] [stdout] | help: remove unnecessary import [INFO] [stdout] | [INFO] [stdout] = note: `Deserialize` must be defined only once in the macro namespace of this module [INFO] [stdout] [INFO] [stdout] error[E0252]: the name `Serialize` is defined multiple times [INFO] [stdout] --> src/lib.rs:246:26 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize}; [INFO] [stdout] | --------- previous import of the macro `Serialize` here [INFO] [stdout] 3 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ `Serialize` reimported here [INFO] [stdout] | [INFO] [stdout] = note: `Serialize` must be defined only once in the macro namespace of this module [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0252`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 121) [INFO] [stdout] src/lib.rs - (line 244) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "6bcb9b2524307565829fce09311e21d19a1e384ecfc7689b71cb64e2809f7760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bcb9b2524307565829fce09311e21d19a1e384ecfc7689b71cb64e2809f7760", kill_on_drop: false }` [INFO] [stdout] 6bcb9b2524307565829fce09311e21d19a1e384ecfc7689b71cb64e2809f7760