[INFO] fetching crate serde-hessian 0.1.0-rc1...
[INFO] testing serde-hessian-0.1.0-rc1 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] extracting crate serde-hessian 0.1.0-rc1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde-hessian 0.1.0-rc1
[INFO] finished tweaking crates.io crate serde-hessian 0.1.0-rc1
[INFO] tweaked toml for crates.io crate serde-hessian 0.1.0-rc1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-hessian 0.1.0-rc1 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8c6416de5294473bd846dfec7dc852345e8519e5a47fbb9c06e98764760c79f
[INFO] running `Command { std: "docker" "start" "-a" "b8c6416de5294473bd846dfec7dc852345e8519e5a47fbb9c06e98764760c79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c6416de5294473bd846dfec7dc852345e8519e5a47fbb9c06e98764760c79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c6416de5294473bd846dfec7dc852345e8519e5a47fbb9c06e98764760c79f", kill_on_drop: false }`
[INFO] [stdout] b8c6416de5294473bd846dfec7dc852345e8519e5a47fbb9c06e98764760c79f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71df2770c9af64fd9a66c9540dbaa303f519cc25083e2f8bb1e9c3b4d0440092
[INFO] running `Command { std: "docker" "start" "-a" "71df2770c9af64fd9a66c9540dbaa303f519cc25083e2f8bb1e9c3b4d0440092", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling hessian_rs v0.0.4-rc3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde-hessian v0.1.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `Command { std: "docker" "inspect" "71df2770c9af64fd9a66c9540dbaa303f519cc25083e2f8bb1e9c3b4d0440092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71df2770c9af64fd9a66c9540dbaa303f519cc25083e2f8bb1e9c3b4d0440092", kill_on_drop: false }`
[INFO] [stdout] 71df2770c9af64fd9a66c9540dbaa303f519cc25083e2f8bb1e9c3b4d0440092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e2a443ee58a0f4f229588600ea324f31216f4eb019527ff279bab7b65febfbf
[INFO] running `Command { std: "docker" "start" "-a" "1e2a443ee58a0f4f229588600ea324f31216f4eb019527ff279bab7b65febfbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-hessian v0.1.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "1e2a443ee58a0f4f229588600ea324f31216f4eb019527ff279bab7b65febfbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2a443ee58a0f4f229588600ea324f31216f4eb019527ff279bab7b65febfbf", kill_on_drop: false }`
[INFO] [stdout] 1e2a443ee58a0f4f229588600ea324f31216f4eb019527ff279bab7b65febfbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cd26792286b372b35b2be5da8f86844a08db31cf288e54581e77fb710baf129
[INFO] running `Command { std: "docker" "start" "-a" "6cd26792286b372b35b2be5da8f86844a08db31cf288e54581e77fb710baf129", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/ser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 26 |     name: Option<&'static str>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-hessian` (lib) generated 1 warning
[INFO] [stderr] warning: `serde-hessian` (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/serde_hessian-21dfc537665c2c54)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test de::tests::test_basic_object_type ... ok
[INFO] [stdout] test de::tests::test_enum ... ok
[INFO] [stdout] test de::tests::test_basic_type ... ok
[INFO] [stdout] test de::tests::test_basic_struct ... ok
[INFO] [stdout] test de::tests::test_newtype_struct ... ok
[INFO] [stdout] test ser::test::test_enum ... ok
[INFO] [stderr]    Doc-tests serde_hessian
[INFO] [stdout] test ser::test::test_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "6cd26792286b372b35b2be5da8f86844a08db31cf288e54581e77fb710baf129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd26792286b372b35b2be5da8f86844a08db31cf288e54581e77fb710baf129", kill_on_drop: false }`
[INFO] [stdout] 6cd26792286b372b35b2be5da8f86844a08db31cf288e54581e77fb710baf129