[INFO] fetching crate serde_wxf 0.0.1...
[INFO] testing serde_wxf-0.0.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate serde_wxf 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate serde_wxf 0.0.1
[INFO] finished tweaking crates.io crate serde_wxf 0.0.1
[INFO] tweaked toml for crates.io crate serde_wxf 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_wxf 0.0.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding wolfram_wxf v0.5.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 165045571eaa587d272e63c9fb37675d2c032b6148f1e300412e092481eaec4e
[INFO] running `Command { std: "docker" "start" "-a" "165045571eaa587d272e63c9fb37675d2c032b6148f1e300412e092481eaec4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "165045571eaa587d272e63c9fb37675d2c032b6148f1e300412e092481eaec4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165045571eaa587d272e63c9fb37675d2c032b6148f1e300412e092481eaec4e", kill_on_drop: false }`
[INFO] [stdout] 165045571eaa587d272e63c9fb37675d2c032b6148f1e300412e092481eaec4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc501b15bffa3a5d49a2b1fbf4698e712132975324977a41a45ddd3a639a6ba0
[INFO] running `Command { std: "docker" "start" "-a" "fc501b15bffa3a5d49a2b1fbf4698e712132975324977a41a45ddd3a639a6ba0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling wolfram_wxf v0.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_wxf v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "fc501b15bffa3a5d49a2b1fbf4698e712132975324977a41a45ddd3a639a6ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc501b15bffa3a5d49a2b1fbf4698e712132975324977a41a45ddd3a639a6ba0", kill_on_drop: false }`
[INFO] [stdout] fc501b15bffa3a5d49a2b1fbf4698e712132975324977a41a45ddd3a639a6ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 087a4374299bcb07edf659dab893065f230911307be4ee42c71d27f2ef8f3846
[INFO] running `Command { std: "docker" "start" "-a" "087a4374299bcb07edf659dab893065f230911307be4ee42c71d27f2ef8f3846", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_wxf v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ser/sequence.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn end(mut self) -> Result<()> {
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "087a4374299bcb07edf659dab893065f230911307be4ee42c71d27f2ef8f3846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087a4374299bcb07edf659dab893065f230911307be4ee42c71d27f2ef8f3846", kill_on_drop: false }`
[INFO] [stdout] 087a4374299bcb07edf659dab893065f230911307be4ee42c71d27f2ef8f3846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72fdfc0b1aba4a209a0773b6299acaf1f275e93de23bfe4273b6cddf0248003b
[INFO] running `Command { std: "docker" "start" "-a" "72fdfc0b1aba4a209a0773b6299acaf1f275e93de23bfe4273b6cddf0248003b", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ser/sequence.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn end(mut self) -> Result<()> {
[INFO] [stderr]    |            ----^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ser/sequence.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn end(mut self) -> Result<()> {
[INFO] [stderr]    |            ----^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ser/sequence.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn end(mut self) -> Result<()> {
[INFO] [stderr]    |            ----^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ser/sequence.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn end(mut self) -> Result<()> {
[INFO] [stderr]    |            ----^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_wxf` (lib) generated 4 warnings (run `cargo fix --lib -p serde_wxf` to apply 4 suggestions)
[INFO] [stderr] warning: `serde_wxf` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_wxf-b732f05f84db0ff1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-be8d11521821f186)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_prim ... ok
[INFO] [stdout] test main ... ok
[INFO] [stdout] test test_list ... ok
[INFO] [stderr]    Doc-tests serde_wxf
[INFO] [stdout] test test_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "72fdfc0b1aba4a209a0773b6299acaf1f275e93de23bfe4273b6cddf0248003b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fdfc0b1aba4a209a0773b6299acaf1f275e93de23bfe4273b6cddf0248003b", kill_on_drop: false }`
[INFO] [stdout] 72fdfc0b1aba4a209a0773b6299acaf1f275e93de23bfe4273b6cddf0248003b
