[INFO] cloning repository https://github.com/charles37/VecCharOrStringSlicing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charles37/VecCharOrStringSlicing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles37%2FVecCharOrStringSlicing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles37%2FVecCharOrStringSlicing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f2f459f0325f41059b0f64731229f2052d2c1ee
[INFO] checking charles37/VecCharOrStringSlicing against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles37%2FVecCharOrStringSlicing" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/charles37/VecCharOrStringSlicing
[INFO] finished tweaking git repo https://github.com/charles37/VecCharOrStringSlicing
[INFO] tweaked toml for git repo https://github.com/charles37/VecCharOrStringSlicing written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/charles37/VecCharOrStringSlicing on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/charles37/VecCharOrStringSlicing 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d28df124e30fd3da57feedce37093e3e64c45e5d1ebb3b9c75114cd568623f5
[INFO] running `Command { std: "docker" "start" "-a" "3d28df124e30fd3da57feedce37093e3e64c45e5d1ebb3b9c75114cd568623f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d28df124e30fd3da57feedce37093e3e64c45e5d1ebb3b9c75114cd568623f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d28df124e30fd3da57feedce37093e3e64c45e5d1ebb3b9c75114cd568623f5", kill_on_drop: false }`
[INFO] [stdout] 3d28df124e30fd3da57feedce37093e3e64c45e5d1ebb3b9c75114cd568623f5
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cbe7e5b87d780eed8716932a083f56429f217f3e3fe62e538b7530c550cda57
[INFO] running `Command { std: "docker" "start" "-a" "3cbe7e5b87d780eed8716932a083f56429f217f3e3fe62e538b7530c550cda57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking VecCharOrStringSlicing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/vec_char.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[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 25.48s
[INFO] running `Command { std: "docker" "inspect" "3cbe7e5b87d780eed8716932a083f56429f217f3e3fe62e538b7530c550cda57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbe7e5b87d780eed8716932a083f56429f217f3e3fe62e538b7530c550cda57", kill_on_drop: false }`
[INFO] [stdout] 3cbe7e5b87d780eed8716932a083f56429f217f3e3fe62e538b7530c550cda57