[INFO] fetching crate ic-certification 0.24.1...
[INFO] checking ic-certification-0.24.1 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate ic-certification 0.24.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ic-certification 0.24.1 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ic-certification 0.24.1
[INFO] finished tweaking crates.io crate ic-certification 0.24.1
[INFO] tweaked toml for crates.io crate ic-certification 0.24.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fe5b7bcd64f4e39eac5e644ae6c08e88c040221b7ddd7b678153d4a76d1767f
[INFO] running `Command { std: "docker" "start" "-a" "9fe5b7bcd64f4e39eac5e644ae6c08e88c040221b7ddd7b678153d4a76d1767f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fe5b7bcd64f4e39eac5e644ae6c08e88c040221b7ddd7b678153d4a76d1767f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe5b7bcd64f4e39eac5e644ae6c08e88c040221b7ddd7b678153d4a76d1767f", kill_on_drop: false }`
[INFO] [stdout] 9fe5b7bcd64f4e39eac5e644ae6c08e88c040221b7ddd7b678153d4a76d1767f
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a445de65dab5d526012ce77d7b8b1c57523f9a779f3ea40b1feb3dfaf81ac38
[INFO] running `Command { std: "docker" "start" "-a" "3a445de65dab5d526012ce77d7b8b1c57523f9a779f3ea40b1feb3dfaf81ac38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking serde_bytes v0.11.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking ic-certification v0.24.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/hash_tree/mod.rs:213:60
[INFO] [stdout]     |
[INFO] [stdout] 213 |             .lookup_subtree(&mut path.into_iter().map(|v| v.borrow()))
[INFO] [stdout]     |                                                            ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `I` does not implement `Borrow`, so calling `borrow` on `&I` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ic-certification` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/hash_tree/mod.rs:213:60
[INFO] [stdout]     |
[INFO] [stdout] 213 |             .lookup_subtree(&mut path.into_iter().map(|v| v.borrow()))
[INFO] [stdout]     |                                                            ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `I` does not implement `Borrow`, so calling `borrow` on `&I` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ic-certification` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3a445de65dab5d526012ce77d7b8b1c57523f9a779f3ea40b1feb3dfaf81ac38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a445de65dab5d526012ce77d7b8b1c57523f9a779f3ea40b1feb3dfaf81ac38", kill_on_drop: false }`
[INFO] [stdout] 3a445de65dab5d526012ce77d7b8b1c57523f9a779f3ea40b1feb3dfaf81ac38