[INFO] fetching crate peakbag 0.1.0...
[INFO] checking peakbag-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate peakbag 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate peakbag 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peakbag 0.1.0
[INFO] finished tweaking crates.io crate peakbag 0.1.0
[INFO] tweaked toml for crates.io crate peakbag 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 217aeef59504cb7d3be252e1765a3f7a131e656750ebec6264c8ffea947c0baa
[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" "217aeef59504cb7d3be252e1765a3f7a131e656750ebec6264c8ffea947c0baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "217aeef59504cb7d3be252e1765a3f7a131e656750ebec6264c8ffea947c0baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217aeef59504cb7d3be252e1765a3f7a131e656750ebec6264c8ffea947c0baa", kill_on_drop: false }`
[INFO] [stdout] 217aeef59504cb7d3be252e1765a3f7a131e656750ebec6264c8ffea947c0baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f049dfa0b1f768cd169ae8577baf494517116e163d972df98a30d2cffa2cdc2a
[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" "f049dfa0b1f768cd169ae8577baf494517116e163d972df98a30d2cffa2cdc2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking peakbag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
[INFO] [stdout]   --> src/lib.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![deny(box_pointers, fat_ptr_transmutes, missing_copy_implementations, missing_debug_implementations, missing_docs, trivial_casts, unsaf...
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
[INFO] [stdout]   --> src/lib.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![deny(box_pointers, fat_ptr_transmutes, missing_copy_implementations, missing_debug_implementations, missing_docs, trivial_casts, unsaf...
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "f049dfa0b1f768cd169ae8577baf494517116e163d972df98a30d2cffa2cdc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f049dfa0b1f768cd169ae8577baf494517116e163d972df98a30d2cffa2cdc2a", kill_on_drop: false }`
[INFO] [stdout] f049dfa0b1f768cd169ae8577baf494517116e163d972df98a30d2cffa2cdc2a