[INFO] crate scell 1.0.0 is already in cache
[INFO] testing scell-1.0.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate scell 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate scell 1.0.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scell 1.0.0
[INFO] finished tweaking crates.io crate scell 1.0.0
[INFO] tweaked toml for crates.io crate scell 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21078ee8de0797634a647beb63c246e4794613028144452abc298bfba0615c56
[INFO] running `Command { std: "docker" "start" "-a" "21078ee8de0797634a647beb63c246e4794613028144452abc298bfba0615c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21078ee8de0797634a647beb63c246e4794613028144452abc298bfba0615c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21078ee8de0797634a647beb63c246e4794613028144452abc298bfba0615c56", kill_on_drop: false }`
[INFO] [stdout] 21078ee8de0797634a647beb63c246e4794613028144452abc298bfba0615c56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bc98c913c13193fb18a8e3078403aa1ae4df02d27259b1c07c0b5f609a579dc
[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" "1bc98c913c13193fb18a8e3078403aa1ae4df02d27259b1c07c0b5f609a579dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling scell v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/checked.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pointer`
[INFO] [stdout]   --> src/lib.rs:28:50
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stdout]    |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "1bc98c913c13193fb18a8e3078403aa1ae4df02d27259b1c07c0b5f609a579dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc98c913c13193fb18a8e3078403aa1ae4df02d27259b1c07c0b5f609a579dc", kill_on_drop: false }`
[INFO] [stdout] 1bc98c913c13193fb18a8e3078403aa1ae4df02d27259b1c07c0b5f609a579dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f0b0ecb8e4e0d6e7cf99bc9fcdc856f73c112f5f3289528b7ed4e4291d0ae47
[INFO] running `Command { std: "docker" "start" "-a" "0f0b0ecb8e4e0d6e7cf99bc9fcdc856f73c112f5f3289528b7ed4e4291d0ae47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/checked.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scell v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Pointer`
[INFO] [stdout]   --> src/lib.rs:28:50
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stdout]    |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/checked.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pointer`
[INFO] [stdout]   --> src/lib.rs:28:50
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stdout]    |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "0f0b0ecb8e4e0d6e7cf99bc9fcdc856f73c112f5f3289528b7ed4e4291d0ae47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0b0ecb8e4e0d6e7cf99bc9fcdc856f73c112f5f3289528b7ed4e4291d0ae47", kill_on_drop: false }`
[INFO] [stdout] 0f0b0ecb8e4e0d6e7cf99bc9fcdc856f73c112f5f3289528b7ed4e4291d0ae47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4120d8437201ba9e2aac8bc9c1eed7c102833e41aa25dfbe207a39047cff5481
[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" "4120d8437201ba9e2aac8bc9c1eed7c102833e41aa25dfbe207a39047cff5481", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Display`
[INFO] [stderr]  --> src/checked.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Pointer`
[INFO] [stderr]   --> src/lib.rs:28:50
[INFO] [stderr]    |
[INFO] [stderr] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stderr]    |                                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Display`
[INFO] [stderr]  --> src/checked.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Pointer`
[INFO] [stderr]   --> src/lib.rs:28:50
[INFO] [stderr]    |
[INFO] [stderr] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer};
[INFO] [stderr]    |                                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scell-5ae1a34057a89ad9
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scell
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4120d8437201ba9e2aac8bc9c1eed7c102833e41aa25dfbe207a39047cff5481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4120d8437201ba9e2aac8bc9c1eed7c102833e41aa25dfbe207a39047cff5481", kill_on_drop: false }`
[INFO] [stdout] 4120d8437201ba9e2aac8bc9c1eed7c102833e41aa25dfbe207a39047cff5481