[INFO] fetching crate slog-json 2.6.1...
[INFO] testing slog-json-2.6.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate slog-json 2.6.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate slog-json 2.6.1
[INFO] finished tweaking crates.io crate slog-json 2.6.1
[INFO] tweaked toml for crates.io crate slog-json 2.6.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-json 2.6.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slog-json 2.6.1 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_threads v0.1.3
[INFO] [stderr]   Downloaded slog-async v2.7.0
[INFO] [stderr]   Downloaded erased-serde v0.3.18
[INFO] [stderr]   Downloaded time v0.3.7
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.7
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded serde_json v1.0.79
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22e3980d6fb8618f21c48bb8cd524836f1285d83c74a4471d7d45699b1438538
[INFO] running `Command { std: "docker" "start" "-a" "22e3980d6fb8618f21c48bb8cd524836f1285d83c74a4471d7d45699b1438538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e3980d6fb8618f21c48bb8cd524836f1285d83c74a4471d7d45699b1438538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e3980d6fb8618f21c48bb8cd524836f1285d83c74a4471d7d45699b1438538", kill_on_drop: false }`
[INFO] [stdout] 22e3980d6fb8618f21c48bb8cd524836f1285d83c74a4471d7d45699b1438538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a800aa2f1054ee672f6ad661a278e8fa5256876cbb44b2206297dc90992e35e
[INFO] running `Command { std: "docker" "start" "-a" "1a800aa2f1054ee672f6ad661a278e8fa5256876cbb44b2206297dc90992e35e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling num_threads v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling time v0.3.7
[INFO] [stderr]    Compiling slog-json v2.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib.rs:196:16
[INFO] [stdout]     |
[INFO] [stdout] 196 |     #[cfg_attr(feature = "cargo-clippy", allow(clippy::new_ret_no_self))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `dynamic-keys`, `erased-serde`, and `nested-values`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "1a800aa2f1054ee672f6ad661a278e8fa5256876cbb44b2206297dc90992e35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a800aa2f1054ee672f6ad661a278e8fa5256876cbb44b2206297dc90992e35e", kill_on_drop: false }`
[INFO] [stdout] 1a800aa2f1054ee672f6ad661a278e8fa5256876cbb44b2206297dc90992e35e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0432ec09ec02317699563b04db3443965b7f65dad9af4c84a7ba7d45aaf283af
[INFO] running `Command { std: "docker" "start" "-a" "0432ec09ec02317699563b04db3443965b7f65dad9af4c84a7ba7d45aaf283af", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib.rs:196:16
[INFO] [stdout]     |
[INFO] [stdout] 196 |     #[cfg_attr(feature = "cargo-clippy", allow(clippy::new_ret_no_self))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `dynamic-keys`, `erased-serde`, and `nested-values`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling slog-json v2.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib.rs:196:16
[INFO] [stdout]     |
[INFO] [stdout] 196 |     #[cfg_attr(feature = "cargo-clippy", allow(clippy::new_ret_no_self))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `dynamic-keys`, `erased-serde`, and `nested-values`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "0432ec09ec02317699563b04db3443965b7f65dad9af4c84a7ba7d45aaf283af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0432ec09ec02317699563b04db3443965b7f65dad9af4c84a7ba7d45aaf283af", kill_on_drop: false }`
[INFO] [stdout] 0432ec09ec02317699563b04db3443965b7f65dad9af4c84a7ba7d45aaf283af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed8079fb0d6ce3acc1aa76332829f033316c53c32b9abd1623d64646c36bc34f
[INFO] running `Command { std: "docker" "start" "-a" "ed8079fb0d6ce3acc1aa76332829f033316c53c32b9abd1623d64646c36bc34f", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]    --> src/lib.rs:196:16
[INFO] [stderr]     |
[INFO] [stderr] 196 |     #[cfg_attr(feature = "cargo-clippy", allow(clippy::new_ret_no_self))]
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `dynamic-keys`, `erased-serde`, and `nested-values`
[INFO] [stderr]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `slog-json` (lib) generated 1 warning
[INFO] [stderr] warning: `slog-json` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slog_json-0dc40ea858703625)
[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] [stderr]    Doc-tests slog_json
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed8079fb0d6ce3acc1aa76332829f033316c53c32b9abd1623d64646c36bc34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8079fb0d6ce3acc1aa76332829f033316c53c32b9abd1623d64646c36bc34f", kill_on_drop: false }`
[INFO] [stdout] ed8079fb0d6ce3acc1aa76332829f033316c53c32b9abd1623d64646c36bc34f
