[INFO] fetching crate serde_jacl 0.3.6...
[INFO] testing serde_jacl-0.3.6 against 1.59.0 for beta-1.60-1
[INFO] extracting crate serde_jacl 0.3.6 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate serde_jacl 0.3.6 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_jacl 0.3.6
[INFO] finished tweaking crates.io crate serde_jacl 0.3.6
[INFO] tweaked toml for crates.io crate serde_jacl 0.3.6 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4b8796d4ad41a96690a1b55ec49a2b2fa7b520b30ecec5fd514d2b162dae7f0
[INFO] running `Command { std: "docker" "start" "-a" "d4b8796d4ad41a96690a1b55ec49a2b2fa7b520b30ecec5fd514d2b162dae7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4b8796d4ad41a96690a1b55ec49a2b2fa7b520b30ecec5fd514d2b162dae7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b8796d4ad41a96690a1b55ec49a2b2fa7b520b30ecec5fd514d2b162dae7f0", kill_on_drop: false }`
[INFO] [stdout] d4b8796d4ad41a96690a1b55ec49a2b2fa7b520b30ecec5fd514d2b162dae7f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 285503ea3eb3154fc815146cb8974978ffe60eddc25113f1821c0838d8182b1a
[INFO] running `Command { std: "docker" "start" "-a" "285503ea3eb3154fc815146cb8974978ffe60eddc25113f1821c0838d8182b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling escape8259 v0.5.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling serde_jacl v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ser.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn custom<T>(f: T) -> Self
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 8.08s
[INFO] running `Command { std: "docker" "inspect" "285503ea3eb3154fc815146cb8974978ffe60eddc25113f1821c0838d8182b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285503ea3eb3154fc815146cb8974978ffe60eddc25113f1821c0838d8182b1a", kill_on_drop: false }`
[INFO] [stdout] 285503ea3eb3154fc815146cb8974978ffe60eddc25113f1821c0838d8182b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe7e0df8854a66fd148f3e75ba7d0283a796a510d6c1619320f04305f77e4386
[INFO] running `Command { std: "docker" "start" "-a" "fe7e0df8854a66fd148f3e75ba7d0283a796a510d6c1619320f04305f77e4386", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_jacl v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ser.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn custom<T>(f: T) -> Self
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ser.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn custom<T>(f: T) -> Self
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 2.30s
[INFO] running `Command { std: "docker" "inspect" "fe7e0df8854a66fd148f3e75ba7d0283a796a510d6c1619320f04305f77e4386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7e0df8854a66fd148f3e75ba7d0283a796a510d6c1619320f04305f77e4386", kill_on_drop: false }`
[INFO] [stdout] fe7e0df8854a66fd148f3e75ba7d0283a796a510d6c1619320f04305f77e4386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1eb61a3a3afbfc8eee542aecea844efc3a07fc756e251c1acbbd5199f5251389
[INFO] running `Command { std: "docker" "start" "-a" "1eb61a3a3afbfc8eee542aecea844efc3a07fc756e251c1acbbd5199f5251389", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/ser.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn custom<T>(f: T) -> Self
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_jacl` (lib) generated 1 warning
[INFO] [stderr] warning: `serde_jacl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_jacl-ed1e86a01a29687c)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test de::test_err ... ok
[INFO] [stdout] test de::test_comments ... ok
[INFO] [stdout] test de::test_literals ... ok
[INFO] [stdout] test structs::test_literal ... ok
[INFO] [stdout] test de::test_vec ... ok
[INFO] [stdout] test de::test_struct ... ok
[INFO] [stdout] test structs::test_number ... ok
[INFO] [stdout] test ser::test_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_jacl
[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] running `Command { std: "docker" "inspect" "1eb61a3a3afbfc8eee542aecea844efc3a07fc756e251c1acbbd5199f5251389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb61a3a3afbfc8eee542aecea844efc3a07fc756e251c1acbbd5199f5251389", kill_on_drop: false }`
[INFO] [stdout] 1eb61a3a3afbfc8eee542aecea844efc3a07fc756e251c1acbbd5199f5251389