[INFO] fetching crate portal-jsc-mob-backend-common 0.8.0-pre.0...
[INFO] testing portal-jsc-mob-backend-common-0.8.0-pre.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate portal-jsc-mob-backend-common 0.8.0-pre.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate portal-jsc-mob-backend-common 0.8.0-pre.0
[INFO] finished tweaking crates.io crate portal-jsc-mob-backend-common 0.8.0-pre.0
[INFO] tweaked toml for crates.io crate portal-jsc-mob-backend-common 0.8.0-pre.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate portal-jsc-mob-backend-common 0.8.0-pre.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate portal-jsc-mob-backend-common 0.8.0-pre.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db54173b5d82e2b029b47e8e134a0ba9b6e7813ee93d191c19521ad4cacd4800
[INFO] running `Command { std: "docker" "start" "-a" "db54173b5d82e2b029b47e8e134a0ba9b6e7813ee93d191c19521ad4cacd4800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db54173b5d82e2b029b47e8e134a0ba9b6e7813ee93d191c19521ad4cacd4800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db54173b5d82e2b029b47e8e134a0ba9b6e7813ee93d191c19521ad4cacd4800", kill_on_drop: false }`
[INFO] [stdout] db54173b5d82e2b029b47e8e134a0ba9b6e7813ee93d191c19521ad4cacd4800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaaaf0b8600bc3a1d0a6a889f2160ed7c4a03be85389cbf972e195a8680ef970
[INFO] running `Command { std: "docker" "start" "-a" "aaaaf0b8600bc3a1d0a6a889f2160ed7c4a03be85389cbf972e195a8680ef970", kill_on_drop: false }`
[INFO] [stderr]    Compiling portal-jsc-mob-backend-common v0.8.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::btree_map::BTreeMap` and `self`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     collections::btree_map::BTreeMap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     vec::{self, Vec},
[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 variable: `d`
[INFO] [stdout]   --> src/lib.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let (a, d) = s.split_at(a);
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "aaaaf0b8600bc3a1d0a6a889f2160ed7c4a03be85389cbf972e195a8680ef970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaaaf0b8600bc3a1d0a6a889f2160ed7c4a03be85389cbf972e195a8680ef970", kill_on_drop: false }`
[INFO] [stdout] aaaaf0b8600bc3a1d0a6a889f2160ed7c4a03be85389cbf972e195a8680ef970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd78c64ec111caa83f63fb8a18bd4b615c9b1d6c2516b20ac1e59aa0db69caaf
[INFO] running `Command { std: "docker" "start" "-a" "bd78c64ec111caa83f63fb8a18bd4b615c9b1d6c2516b20ac1e59aa0db69caaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling portal-jsc-mob-backend-common v0.8.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::btree_map::BTreeMap` and `self`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     collections::btree_map::BTreeMap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     vec::{self, Vec},
[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 variable: `d`
[INFO] [stdout]   --> src/lib.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let (a, d) = s.split_at(a);
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::btree_map::BTreeMap` and `self`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     collections::btree_map::BTreeMap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     vec::{self, Vec},
[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 variable: `d`
[INFO] [stdout]   --> src/lib.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let (a, d) = s.split_at(a);
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "bd78c64ec111caa83f63fb8a18bd4b615c9b1d6c2516b20ac1e59aa0db69caaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd78c64ec111caa83f63fb8a18bd4b615c9b1d6c2516b20ac1e59aa0db69caaf", kill_on_drop: false }`
[INFO] [stdout] bd78c64ec111caa83f63fb8a18bd4b615c9b1d6c2516b20ac1e59aa0db69caaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c90e0d2ad17926646fdfa1454307daa21b348912e4ad91b33dba8a8fd2f7635f
[INFO] running `Command { std: "docker" "start" "-a" "c90e0d2ad17926646fdfa1454307daa21b348912e4ad91b33dba8a8fd2f7635f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `collections::btree_map::BTreeMap` and `self`
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     collections::btree_map::BTreeMap,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     vec::{self, Vec},
[INFO] [stderr]   |           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/lib.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 let (a, d) = s.split_at(a);
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `portal-jsc-mob-backend-common` (lib) generated 2 warnings (run `cargo fix --lib -p portal-jsc-mob-backend-common` to apply 2 suggestions)
[INFO] [stderr] warning: `portal-jsc-mob-backend-common` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/portal_jsc_mob_backend_common-35683ae79befff90)
[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 portal_jsc_mob_backend_common
[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" "c90e0d2ad17926646fdfa1454307daa21b348912e4ad91b33dba8a8fd2f7635f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90e0d2ad17926646fdfa1454307daa21b348912e4ad91b33dba8a8fd2f7635f", kill_on_drop: false }`
[INFO] [stdout] c90e0d2ad17926646fdfa1454307daa21b348912e4ad91b33dba8a8fd2f7635f