[INFO] fetching crate byte_string 1.0.0...
[INFO] testing byte_string-1.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate byte_string 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate byte_string 1.0.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byte_string 1.0.0
[INFO] finished tweaking crates.io crate byte_string 1.0.0
[INFO] tweaked toml for crates.io crate byte_string 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2535e67e10b63b0d987aaabe50c2c1cd3ef7a346cbb43625fbca27f7bd2d5dd4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2535e67e10b63b0d987aaabe50c2c1cd3ef7a346cbb43625fbca27f7bd2d5dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2535e67e10b63b0d987aaabe50c2c1cd3ef7a346cbb43625fbca27f7bd2d5dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2535e67e10b63b0d987aaabe50c2c1cd3ef7a346cbb43625fbca27f7bd2d5dd4", kill_on_drop: false }`
[INFO] [stdout] 2535e67e10b63b0d987aaabe50c2c1cd3ef7a346cbb43625fbca27f7bd2d5dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb2f787669676824343a2487d361d8773ab953a8d703073a2b380b9241c0c366
[INFO] running `Command { std: "docker" "start" "-a" "fb2f787669676824343a2487d361d8773ab953a8d703073a2b380b9241c0c366", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte_string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         try!(write!(f, "b\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 try!(write!(f, "{}", ch as char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "fb2f787669676824343a2487d361d8773ab953a8d703073a2b380b9241c0c366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2f787669676824343a2487d361d8773ab953a8d703073a2b380b9241c0c366", kill_on_drop: false }`
[INFO] [stdout] fb2f787669676824343a2487d361d8773ab953a8d703073a2b380b9241c0c366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 990dd0a9b6700303303509393c0eebf0ec4b67f87d58dfc450b2ad9b23e57dc6
[INFO] running `Command { std: "docker" "start" "-a" "990dd0a9b6700303303509393c0eebf0ec4b67f87d58dfc450b2ad9b23e57dc6", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         try!(write!(f, "b\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling byte_string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 try!(write!(f, "{}", ch as char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         try!(write!(f, "b\""));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 try!(write!(f, "{}", ch as char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "990dd0a9b6700303303509393c0eebf0ec4b67f87d58dfc450b2ad9b23e57dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990dd0a9b6700303303509393c0eebf0ec4b67f87d58dfc450b2ad9b23e57dc6", kill_on_drop: false }`
[INFO] [stdout] 990dd0a9b6700303303509393c0eebf0ec4b67f87d58dfc450b2ad9b23e57dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cbc14795a5b028c8ca0932b0ac8aceb6413e48f584acd06c83cd5208961d8d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6cbc14795a5b028c8ca0932b0ac8aceb6413e48f584acd06c83cd5208961d8d4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         try!(write!(f, "b\""));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 try!(write!(f, "{}", ch as char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `byte_string` (lib) generated 2 warnings
[INFO] [stderr] warning: `byte_string` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/byte_string-1b32e9de1785abc8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests byte_string
[INFO] [stdout] test tests::debug_bytestr ... ok
[INFO] [stdout] test tests::debug_bytestring_empty ... ok
[INFO] [stdout] test tests::debug_bytestr_empty ... ok
[INFO] [stdout] test tests::debug_bytestring ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cbc14795a5b028c8ca0932b0ac8aceb6413e48f584acd06c83cd5208961d8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbc14795a5b028c8ca0932b0ac8aceb6413e48f584acd06c83cd5208961d8d4", kill_on_drop: false }`
[INFO] [stdout] 6cbc14795a5b028c8ca0932b0ac8aceb6413e48f584acd06c83cd5208961d8d4