[INFO] fetching crate duckbubble 0.1.2...
[INFO] testing duckbubble-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate duckbubble 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate duckbubble 0.1.2
[INFO] finished tweaking crates.io crate duckbubble 0.1.2
[INFO] tweaked toml for crates.io crate duckbubble 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate duckbubble 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate duckbubble 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded serde_derive v1.0.144
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec1644836b38644649df559b36af3ebea64f3edf7710e6ecefe60a06b3fe9880
[INFO] running `Command { std: "docker" "start" "-a" "ec1644836b38644649df559b36af3ebea64f3edf7710e6ecefe60a06b3fe9880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec1644836b38644649df559b36af3ebea64f3edf7710e6ecefe60a06b3fe9880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1644836b38644649df559b36af3ebea64f3edf7710e6ecefe60a06b3fe9880", kill_on_drop: false }`
[INFO] [stdout] ec1644836b38644649df559b36af3ebea64f3edf7710e6ecefe60a06b3fe9880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a989caa270b6157b3485ae66b6be8312d2999cc9d59fa22054cf06d88b2d1244
[INFO] running `Command { std: "docker" "start" "-a" "a989caa270b6157b3485ae66b6be8312d2999cc9d59fa22054cf06d88b2d1244", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling duckbubble v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeekFrom` and `Seek`
[INFO] [stdout]  --> src/boys.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, LineWriter, Seek, SeekFrom, Write},
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeywordReader` and `self`
[INFO] [stdout]  --> src/boys.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::orwritekey::{self, KeywordReader};
[INFO] [stdout]   |                         ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "a989caa270b6157b3485ae66b6be8312d2999cc9d59fa22054cf06d88b2d1244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a989caa270b6157b3485ae66b6be8312d2999cc9d59fa22054cf06d88b2d1244", kill_on_drop: false }`
[INFO] [stdout] a989caa270b6157b3485ae66b6be8312d2999cc9d59fa22054cf06d88b2d1244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82430b0fe1a18f90d6d163e20a522945bbdb1eda68de8a4f3d22eaa0c4c709e2
[INFO] running `Command { std: "docker" "start" "-a" "82430b0fe1a18f90d6d163e20a522945bbdb1eda68de8a4f3d22eaa0c4c709e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling duckbubble v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeekFrom` and `Seek`
[INFO] [stdout]  --> src/boys.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, LineWriter, Seek, SeekFrom, Write},
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeywordReader` and `self`
[INFO] [stdout]  --> src/boys.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::orwritekey::{self, KeywordReader};
[INFO] [stdout]   |                         ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeekFrom` and `Seek`
[INFO] [stdout]  --> src/boys.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, LineWriter, Seek, SeekFrom, Write},
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeywordReader` and `self`
[INFO] [stdout]  --> src/boys.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::orwritekey::{self, KeywordReader};
[INFO] [stdout]   |                         ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "82430b0fe1a18f90d6d163e20a522945bbdb1eda68de8a4f3d22eaa0c4c709e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82430b0fe1a18f90d6d163e20a522945bbdb1eda68de8a4f3d22eaa0c4c709e2", kill_on_drop: false }`
[INFO] [stdout] 82430b0fe1a18f90d6d163e20a522945bbdb1eda68de8a4f3d22eaa0c4c709e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b98d33518ab5f286aa543fa60456b62579078e738c515a4e045ca0b220c9c50f
[INFO] running `Command { std: "docker" "start" "-a" "b98d33518ab5f286aa543fa60456b62579078e738c515a4e045ca0b220c9c50f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `SeekFrom` and `Seek`
[INFO] [stderr]  --> src/boys.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 |     io::{self, LineWriter, Seek, SeekFrom, Write},
[INFO] [stderr]   |                            ^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `KeywordReader` and `self`
[INFO] [stderr]  --> src/boys.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::orwritekey::{self, KeywordReader};
[INFO] [stderr]   |                         ^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `duckbubble` (lib) generated 2 warnings (run `cargo fix --lib -p duckbubble` to apply 2 suggestions)
[INFO] [stderr] warning: `duckbubble` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/duckbubble-03b7e8cd2b7d22eb)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/duckbubble-f3ed1e295985ab01)
[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] [stderr]    Doc-tests duckbubble
[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" "b98d33518ab5f286aa543fa60456b62579078e738c515a4e045ca0b220c9c50f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98d33518ab5f286aa543fa60456b62579078e738c515a4e045ca0b220c9c50f", kill_on_drop: false }`
[INFO] [stdout] b98d33518ab5f286aa543fa60456b62579078e738c515a4e045ca0b220c9c50f