[INFO] fetching crate pi_pointer 0.1.0...
[INFO] checking pi_pointer-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate pi_pointer 0.1.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_pointer 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_slab v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ec51d981bdcbfcb9755cbead8882632f3643a86eb695880e44674cce1defdc6
[INFO] running `Command { std: "docker" "start" "-a" "2ec51d981bdcbfcb9755cbead8882632f3643a86eb695880e44674cce1defdc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ec51d981bdcbfcb9755cbead8882632f3643a86eb695880e44674cce1defdc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec51d981bdcbfcb9755cbead8882632f3643a86eb695880e44674cce1defdc6", kill_on_drop: false }`
[INFO] [stdout] 2ec51d981bdcbfcb9755cbead8882632f3643a86eb695880e44674cce1defdc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d50758d9c9a5a4d720c560f5378af8c8d5d9d38891b9438009a53a35904e5b01
[INFO] running `Command { std: "docker" "start" "-a" "d50758d9c9a5a4d720c560f5378af8c8d5d9d38891b9438009a53a35904e5b01", kill_on_drop: false }`
[INFO] [stderr]     Checking pi_slab v0.1.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking 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)]` 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 `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "d50758d9c9a5a4d720c560f5378af8c8d5d9d38891b9438009a53a35904e5b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50758d9c9a5a4d720c560f5378af8c8d5d9d38891b9438009a53a35904e5b01", kill_on_drop: false }`
[INFO] [stdout] d50758d9c9a5a4d720c560f5378af8c8d5d9d38891b9438009a53a35904e5b01