[INFO] fetching crate ddbug_parser 0.3.0...
[INFO] testing ddbug_parser-0.3.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate ddbug_parser 0.3.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate ddbug_parser 0.3.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ddbug_parser 0.3.0
[INFO] finished tweaking crates.io crate ddbug_parser 0.3.0
[INFO] tweaked toml for crates.io crate ddbug_parser 0.3.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29dab9d4a4465b88f5c78c1c1ec2c75e65f37f0805250716e6123f8c888f831c
[INFO] running `Command { std: "docker" "start" "-a" "29dab9d4a4465b88f5c78c1c1ec2c75e65f37f0805250716e6123f8c888f831c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29dab9d4a4465b88f5c78c1c1ec2c75e65f37f0805250716e6123f8c888f831c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dab9d4a4465b88f5c78c1c1ec2c75e65f37f0805250716e6123f8c888f831c", kill_on_drop: false }`
[INFO] [stdout] 29dab9d4a4465b88f5c78c1c1ec2c75e65f37f0805250716e6123f8c888f831c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d81ac13d2c84abce1edf04965212196f0d679479e451b83338c935dec1e793e
[INFO] running `Command { std: "docker" "start" "-a" "9d81ac13d2c84abce1edf04965212196f0d679479e451b83338c935dec1e793e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling ddbug_parser v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `discr`
[INFO] [stdout]    --> src/types.rs:808:5
[INFO] [stdout]     |
[INFO] [stdout] 808 |     pub(crate) discr: MemberOffset,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 10.31s
[INFO] running `Command { std: "docker" "inspect" "9d81ac13d2c84abce1edf04965212196f0d679479e451b83338c935dec1e793e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d81ac13d2c84abce1edf04965212196f0d679479e451b83338c935dec1e793e", kill_on_drop: false }`
[INFO] [stdout] 9d81ac13d2c84abce1edf04965212196f0d679479e451b83338c935dec1e793e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d7e0ef91acb1f0e43150d3b48c52b7fd4cbef08e0df8ea4827e2ff2105d6da
[INFO] running `Command { std: "docker" "start" "-a" "c9d7e0ef91acb1f0e43150d3b48c52b7fd4cbef08e0df8ea4827e2ff2105d6da", kill_on_drop: false }`
[INFO] [stderr]    Compiling ddbug_parser v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `discr`
[INFO] [stdout]    --> src/types.rs:808:5
[INFO] [stdout]     |
[INFO] [stdout] 808 |     pub(crate) discr: MemberOffset,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `discr`
[INFO] [stdout]    --> src/types.rs:808:5
[INFO] [stdout]     |
[INFO] [stdout] 808 |     pub(crate) discr: MemberOffset,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 2.14s
[INFO] running `Command { std: "docker" "inspect" "c9d7e0ef91acb1f0e43150d3b48c52b7fd4cbef08e0df8ea4827e2ff2105d6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d7e0ef91acb1f0e43150d3b48c52b7fd4cbef08e0df8ea4827e2ff2105d6da", kill_on_drop: false }`
[INFO] [stdout] c9d7e0ef91acb1f0e43150d3b48c52b7fd4cbef08e0df8ea4827e2ff2105d6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f8f409dad24109c8a7b3c5b312ebfb57b31614eaea7b1646c3c3f80f3b2c84a
[INFO] running `Command { std: "docker" "start" "-a" "9f8f409dad24109c8a7b3c5b312ebfb57b31614eaea7b1646c3c3f80f3b2c84a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `discr`
[INFO] [stderr]    --> src/types.rs:808:5
[INFO] [stderr]     |
[INFO] [stderr] 808 |     pub(crate) discr: MemberOffset,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ddbug_parser` (lib) generated 1 warning
[INFO] [stderr] warning: `ddbug_parser` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ddbug_parser-cc30cbcef7813060)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ddbug_parser
[INFO] [stdout] test namespace::test::cmp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f8f409dad24109c8a7b3c5b312ebfb57b31614eaea7b1646c3c3f80f3b2c84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8f409dad24109c8a7b3c5b312ebfb57b31614eaea7b1646c3c3f80f3b2c84a", kill_on_drop: false }`
[INFO] [stdout] 9f8f409dad24109c8a7b3c5b312ebfb57b31614eaea7b1646c3c3f80f3b2c84a