[INFO] fetching crate vps_bench 0.2.0...
[INFO] checking vps_bench-0.2.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate vps_bench 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vps_bench 0.2.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vps_bench 0.2.0
[INFO] finished tweaking crates.io crate vps_bench 0.2.0
[INFO] tweaked toml for crates.io crate vps_bench 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate vps_bench 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6406db37f81d245ef51760b3d905af5a4ea7959618651b768c80e9650bd6c41f
[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" "6406db37f81d245ef51760b3d905af5a4ea7959618651b768c80e9650bd6c41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6406db37f81d245ef51760b3d905af5a4ea7959618651b768c80e9650bd6c41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6406db37f81d245ef51760b3d905af5a4ea7959618651b768c80e9650bd6c41f", kill_on_drop: false }`
[INFO] [stdout] 6406db37f81d245ef51760b3d905af5a4ea7959618651b768c80e9650bd6c41f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f3174101ff45af59d0e3d5d34fafac166fbc5dd9cb8caceb609cfae8287d04
[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" "11f3174101ff45af59d0e3d5d34fafac166fbc5dd9cb8caceb609cfae8287d04", 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] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking once_cell v1.6.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling maplit v1.0.2
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[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]     Checking unicode_categories v0.1.1
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[INFO] [stderr]    Compiling form_urlencoded v1.0.1
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[INFO] [stderr]     Checking futures-channel v0.3.13
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[INFO] [stderr]    Compiling libc v0.2.86
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[INFO] [stderr]    Compiling idna v0.2.2
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[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking atoi v0.4.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking tokio v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking sqlx-rt v0.3.0
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking sqlx-core v0.5.1
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]    Compiling sqlx-macros v0.5.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.1
[INFO] [stderr]     Checking sqlx v0.5.1
[INFO] [stderr]     Checking vps_bench v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> benches/mem_bench.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 57s
[INFO] running `Command { std: "docker" "inspect" "11f3174101ff45af59d0e3d5d34fafac166fbc5dd9cb8caceb609cfae8287d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f3174101ff45af59d0e3d5d34fafac166fbc5dd9cb8caceb609cfae8287d04", kill_on_drop: false }`
[INFO] [stdout] 11f3174101ff45af59d0e3d5d34fafac166fbc5dd9cb8caceb609cfae8287d04