[INFO] fetching crate pi_pointer 0.1.0...
[INFO] testing pi_pointer-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate pi_pointer 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pi_pointer 0.1.0
[INFO] finished tweaking crates.io crate pi_pointer 0.1.0
[INFO] tweaked toml for crates.io crate pi_pointer 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_pointer 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df67a2354606154cb8d0cab1804bfabc4ca3e14e1c6a4411313d2fe97b737878
[INFO] running `Command { std: "docker" "start" "-a" "df67a2354606154cb8d0cab1804bfabc4ca3e14e1c6a4411313d2fe97b737878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df67a2354606154cb8d0cab1804bfabc4ca3e14e1c6a4411313d2fe97b737878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df67a2354606154cb8d0cab1804bfabc4ca3e14e1c6a4411313d2fe97b737878", kill_on_drop: false }`
[INFO] [stdout] df67a2354606154cb8d0cab1804bfabc4ca3e14e1c6a4411313d2fe97b737878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8126fd947e5227ac27a57de29fa50b97f75e4861bf40280e4af2fdd0127bec13
[INFO] running `Command { std: "docker" "start" "-a" "8126fd947e5227ac27a57de29fa50b97f75e4861bf40280e4af2fdd0127bec13", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_slab v0.1.0
[INFO] [stderr]    Compiling pi_pointer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "8126fd947e5227ac27a57de29fa50b97f75e4861bf40280e4af2fdd0127bec13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8126fd947e5227ac27a57de29fa50b97f75e4861bf40280e4af2fdd0127bec13", kill_on_drop: false }`
[INFO] [stdout] 8126fd947e5227ac27a57de29fa50b97f75e4861bf40280e4af2fdd0127bec13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa05f42ac1fe2f67e26c4d44443f7140f69b47a160ee0461f3af651ecfe4c84b
[INFO] running `Command { std: "docker" "start" "-a" "fa05f42ac1fe2f67e26c4d44443f7140f69b47a160ee0461f3af651ecfe4c84b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_pointer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rc.rs:54:25
[INFO] [stdout]     |
[INFO] [stdout]  54 |                     let mut inner = unsafe{(&mut *(* $container as *mut $crate::rc::Slab<$crate::rc::Inner<$elem>>)).get_unchecked_mut(se...
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 119 | rc!(RCA, A, _RC_SLAB);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `rc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "fa05f42ac1fe2f67e26c4d44443f7140f69b47a160ee0461f3af651ecfe4c84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa05f42ac1fe2f67e26c4d44443f7140f69b47a160ee0461f3af651ecfe4c84b", kill_on_drop: false }`
[INFO] [stdout] fa05f42ac1fe2f67e26c4d44443f7140f69b47a160ee0461f3af651ecfe4c84b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd7e4f30e7d0347dc228a181172dddd975ca2599d96b2da39141dd2501b7d217
[INFO] running `Command { std: "docker" "start" "-a" "bd7e4f30e7d0347dc228a181172dddd975ca2599d96b2da39141dd2501b7d217", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rc.rs:54:25
[INFO] [stderr]     |
[INFO] [stderr]  54 |                     let mut inner = unsafe{(&mut *(* $container as *mut $crate::rc::Slab<$crate::rc::Inner<$elem>>)).get_unchecked_mut(se...
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 119 | rc!(RCA, A, _RC_SLAB);
[INFO] [stderr]     | --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `rc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `pi_pointer` (lib test) generated 1 warning (run `cargo fix --lib -p pi_pointer --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pi_pointer-4264f7be070388da)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test rc::test ... ok
[INFO] [stderr]    Doc-tests pi_pointer
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "bd7e4f30e7d0347dc228a181172dddd975ca2599d96b2da39141dd2501b7d217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7e4f30e7d0347dc228a181172dddd975ca2599d96b2da39141dd2501b7d217", kill_on_drop: false }`
[INFO] [stdout] bd7e4f30e7d0347dc228a181172dddd975ca2599d96b2da39141dd2501b7d217