[INFO] fetching crate bench-rs 0.2.4...
[INFO] checking bench-rs-0.2.4 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate bench-rs 0.2.4
[INFO] finished tweaking crates.io crate bench-rs 0.2.4
[INFO] tweaked toml for crates.io crate bench-rs 0.2.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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 159 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.22.1)
[INFO] [stderr]       Adding pin-project v0.4.30 (available: v1.1.10)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1e32aedec5047aa066bfa6814a37712c1dc9af95c5e8d768a194a1744f5ced8
[INFO] running `Command { std: "docker" "start" "-a" "c1e32aedec5047aa066bfa6814a37712c1dc9af95c5e8d768a194a1744f5ced8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e32aedec5047aa066bfa6814a37712c1dc9af95c5e8d768a194a1744f5ced8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e32aedec5047aa066bfa6814a37712c1dc9af95c5e8d768a194a1744f5ced8", kill_on_drop: false }`
[INFO] [stdout] c1e32aedec5047aa066bfa6814a37712c1dc9af95c5e8d768a194a1744f5ced8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a21cc42022647a61020746a32793707199299de56c8083e656fd13e425260382
[INFO] running `Command { std: "docker" "start" "-a" "a21cc42022647a61020746a32793707199299de56c8083e656fd13e425260382", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking rust-fuzzy-search v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking async-io v2.5.0
[INFO] [stderr]    Compiling bunt-macros v0.2.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking async-signal v0.2.12
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking bunt v0.2.8
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling bencher-macro v0.1.1
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking argh_shared v0.1.13
[INFO] [stderr]     Checking bench-rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]  --> src/timing_future.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct TimingResult<T> {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 9 |     pub output: T,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling argh_derive v0.1.13
[INFO] [stderr]     Checking argh v0.1.13
[INFO] [stderr]     Checking rcnb-rs v0.1.0
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]  --> src/timing_future.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct TimingResult<T> {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 9 |     pub output: T,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.82s
[INFO] running `Command { std: "docker" "inspect" "a21cc42022647a61020746a32793707199299de56c8083e656fd13e425260382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21cc42022647a61020746a32793707199299de56c8083e656fd13e425260382", kill_on_drop: false }`
[INFO] [stdout] a21cc42022647a61020746a32793707199299de56c8083e656fd13e425260382