[INFO] fetching crate node-prune 1.0.0...
[INFO] building node-prune-1.0.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate node-prune 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate node-prune 1.0.0
[INFO] finished tweaking crates.io crate node-prune 1.0.0
[INFO] tweaked toml for crates.io crate node-prune 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate node-prune 1.0.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate node-prune 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a3c4256de4d30ea6bccde802d65e3de1cbf9bf8fcee278552851c7245f04120
[INFO] running `Command { std: "docker" "start" "-a" "4a3c4256de4d30ea6bccde802d65e3de1cbf9bf8fcee278552851c7245f04120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a3c4256de4d30ea6bccde802d65e3de1cbf9bf8fcee278552851c7245f04120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3c4256de4d30ea6bccde802d65e3de1cbf9bf8fcee278552851c7245f04120", kill_on_drop: false }`
[INFO] [stdout] 4a3c4256de4d30ea6bccde802d65e3de1cbf9bf8fcee278552851c7245f04120
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735adbd3cae27c2af412ca92a6aa6db2753606db9268bb7ec242112c8b52295a
[INFO] running `Command { std: "docker" "start" "-a" "735adbd3cae27c2af412ca92a6aa6db2753606db9268bb7ec242112c8b52295a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling roff v0.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling clap v3.2.12
[INFO] [stderr]    Compiling clap_mangen v0.1.10
[INFO] [stderr]    Compiling node-prune v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/lib.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{anyhow, bail, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.08s
[INFO] running `Command { std: "docker" "inspect" "735adbd3cae27c2af412ca92a6aa6db2753606db9268bb7ec242112c8b52295a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735adbd3cae27c2af412ca92a6aa6db2753606db9268bb7ec242112c8b52295a", kill_on_drop: false }`
[INFO] [stdout] 735adbd3cae27c2af412ca92a6aa6db2753606db9268bb7ec242112c8b52295a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d651f67cf7f15788a07a1da117a786ee2eb0966bc4c7725b8d3ea6489482a60c
[INFO] running `Command { std: "docker" "start" "-a" "d651f67cf7f15788a07a1da117a786ee2eb0966bc4c7725b8d3ea6489482a60c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/lib.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{anyhow, bail, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling assert_cmd v1.0.8
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling node-prune v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/lib.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{anyhow, bail, Context, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.60s
[INFO] running `Command { std: "docker" "inspect" "d651f67cf7f15788a07a1da117a786ee2eb0966bc4c7725b8d3ea6489482a60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d651f67cf7f15788a07a1da117a786ee2eb0966bc4c7725b8d3ea6489482a60c", kill_on_drop: false }`
[INFO] [stdout] d651f67cf7f15788a07a1da117a786ee2eb0966bc4c7725b8d3ea6489482a60c