[INFO] fetching crate simple_serde 0.3.8...
[INFO] checking simple_serde-0.3.8 against try#378b6a8a384b3bd0818af5f1745e5747a98bff7b for pr-95819
[INFO] extracting crate simple_serde 0.3.8 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate simple_serde 0.3.8 on toolchain 378b6a8a384b3bd0818af5f1745e5747a98bff7b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_serde 0.3.8
[INFO] finished tweaking crates.io crate simple_serde 0.3.8
[INFO] tweaked toml for crates.io crate simple_serde 0.3.8 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 302a53891400ae9c4672c21b3437413047e2c781f8170ddb48b7da525f1cade2
[INFO] running `Command { std: "docker" "start" "-a" "302a53891400ae9c4672c21b3437413047e2c781f8170ddb48b7da525f1cade2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302a53891400ae9c4672c21b3437413047e2c781f8170ddb48b7da525f1cade2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302a53891400ae9c4672c21b3437413047e2c781f8170ddb48b7da525f1cade2", kill_on_drop: false }`
[INFO] [stdout] 302a53891400ae9c4672c21b3437413047e2c781f8170ddb48b7da525f1cade2
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 859b001916327ce13985e0060ee5bc8ff07c65f87e20cde4e0587ef2026b7553
[INFO] running `Command { std: "docker" "start" "-a" "859b001916327ce13985e0060ee5bc8ff07c65f87e20cde4e0587ef2026b7553", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking smallvec v1.8.0
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[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking bitflags v1.3.2
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[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
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[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
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[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling typed-builder v0.5.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
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[INFO] [stderr]    Compiling strum_macros v0.18.0
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[INFO] [stderr]     Checking tokio-util v0.7.1
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[INFO] [stderr]    Compiling num_enum_derive v0.5.7
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[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking serde-xml-rs v0.5.1
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[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking flexbuffers v2.0.0
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking ron v0.7.0
[INFO] [stderr]     Checking rmp-serde v1.0.0
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking serde-pickle v1.1.0
[INFO] [stderr]     Checking postcard v0.7.3
[INFO] [stderr]     Checking avro-rs v0.13.0
[INFO] [stderr]     Checking bson v2.1.0
[INFO] [stderr]     Checking simple_serde v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]    --> src/lib.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |         use std::str::from_utf8;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]    --> src/lib.rs:401:13
[INFO] [stdout]     |
[INFO] [stdout] 401 |         use std::str::from_utf8;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.97s
[INFO] running `Command { std: "docker" "inspect" "859b001916327ce13985e0060ee5bc8ff07c65f87e20cde4e0587ef2026b7553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859b001916327ce13985e0060ee5bc8ff07c65f87e20cde4e0587ef2026b7553", kill_on_drop: false }`
[INFO] [stdout] 859b001916327ce13985e0060ee5bc8ff07c65f87e20cde4e0587ef2026b7553