[INFO] fetching crate unmp-link 0.7.0...
[INFO] checking unmp-link-0.7.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate unmp-link 0.7.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate unmp-link 0.7.0
[INFO] finished tweaking crates.io crate unmp-link 0.7.0
[INFO] tweaked toml for crates.io crate unmp-link 0.7.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unmp-link 0.7.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding fixed-queue v0.3.11 (available: v0.5.1)
[INFO] [stderr]       Adding futures-intrusive v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fd11652b02ab19c40fa96d4306f374d9f73512cf1b07ac11db65ea53bf1975d
[INFO] running `Command { std: "docker" "start" "-a" "1fd11652b02ab19c40fa96d4306f374d9f73512cf1b07ac11db65ea53bf1975d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fd11652b02ab19c40fa96d4306f374d9f73512cf1b07ac11db65ea53bf1975d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd11652b02ab19c40fa96d4306f374d9f73512cf1b07ac11db65ea53bf1975d", kill_on_drop: false }`
[INFO] [stdout] 1fd11652b02ab19c40fa96d4306f374d9f73512cf1b07ac11db65ea53bf1975d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8768da3789bbbd5fb455d360398a783ddc7637fbe902acde5280a1b9384a4d5
[INFO] running `Command { std: "docker" "start" "-a" "f8768da3789bbbd5fb455d360398a783ddc7637fbe902acde5280a1b9384a4d5", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking fixed-queue v0.3.11
[INFO] [stderr]     Checking futures-intrusive v0.4.2
[INFO] [stderr]     Checking unmp-link v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_btree_new` has been partially stabilized since 1.66.0 and is succeeded by the feature `const_btree_len`
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_btree_new)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] help: if you are using features which are still unstable, change to using `const_btree_len`
[INFO] [stdout]   |
[INFO] [stdout] 6 - #![feature(const_btree_new)]
[INFO] [stdout] 6 + #![feature(const_btree_len)]
[INFO] [stdout]   |
[INFO] [stdout] help: if you are using features which are now stable, remove this line
[INFO] [stdout]   |
[INFO] [stdout] 6 - #![feature(const_btree_new)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_btree_new` has been partially stabilized since 1.66.0 and is succeeded by the feature `const_btree_len`
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_btree_new)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] help: if you are using features which are still unstable, change to using `const_btree_len`
[INFO] [stdout]   |
[INFO] [stdout] 6 - #![feature(const_btree_new)]
[INFO] [stdout] 6 + #![feature(const_btree_len)]
[INFO] [stdout]   |
[INFO] [stdout] help: if you are using features which are now stable, remove this line
[INFO] [stdout]   |
[INFO] [stdout] 6 - #![feature(const_btree_new)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f8768da3789bbbd5fb455d360398a783ddc7637fbe902acde5280a1b9384a4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8768da3789bbbd5fb455d360398a783ddc7637fbe902acde5280a1b9384a4d5", kill_on_drop: false }`
[INFO] [stdout] f8768da3789bbbd5fb455d360398a783ddc7637fbe902acde5280a1b9384a4d5
