[INFO] fetching crate scell 1.0.0...
[INFO] testing scell-1.0.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate scell 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate scell 1.0.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74a7cb4b3ce2f1b11d43f34ce461d1ee559c10a215d745ae483e10a7a755793c
[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" "74a7cb4b3ce2f1b11d43f34ce461d1ee559c10a215d745ae483e10a7a755793c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a7cb4b3ce2f1b11d43f34ce461d1ee559c10a215d745ae483e10a7a755793c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a7cb4b3ce2f1b11d43f34ce461d1ee559c10a215d745ae483e10a7a755793c", kill_on_drop: false }`
[INFO] [stdout] 74a7cb4b3ce2f1b11d43f34ce461d1ee559c10a215d745ae483e10a7a755793c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea70879d627b3a42b6e2e37ce50276f5bbfaaff0754d75248f19bcf49faebb9
[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" "2ea70879d627b3a42b6e2e37ce50276f5bbfaaff0754d75248f19bcf49faebb9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ea70879d627b3a42b6e2e37ce50276f5bbfaaff0754d75248f19bcf49faebb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea70879d627b3a42b6e2e37ce50276f5bbfaaff0754d75248f19bcf49faebb9", kill_on_drop: false }`
[INFO] [stdout] 2ea70879d627b3a42b6e2e37ce50276f5bbfaaff0754d75248f19bcf49faebb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 5d1138bc7f10116840555c72bb20624b2d6c8aed450fce94e903d12f150f4a4b
[INFO] running `Command { std: "docker" "start" "-a" "5d1138bc7f10116840555c72bb20624b2d6c8aed450fce94e903d12f150f4a4b", kill_on_drop: false }`
[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 0.89s
[INFO] running `Command { std: "docker" "inspect" "5d1138bc7f10116840555c72bb20624b2d6c8aed450fce94e903d12f150f4a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1138bc7f10116840555c72bb20624b2d6c8aed450fce94e903d12f150f4a4b", kill_on_drop: false }`
[INFO] [stdout] 5d1138bc7f10116840555c72bb20624b2d6c8aed450fce94e903d12f150f4a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34671b8d4b55e47dcfb66083ae2b15ca168f10534cb4f655ccdfd10e2ea33020
[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" "34671b8d4b55e47dcfb66083ae2b15ca168f10534cb4f655ccdfd10e2ea33020", 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] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Display`
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]  --> src/checked.rs:4:27
[INFO] [stdout] 
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scell-e3c16263914a750e
[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" "34671b8d4b55e47dcfb66083ae2b15ca168f10534cb4f655ccdfd10e2ea33020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34671b8d4b55e47dcfb66083ae2b15ca168f10534cb4f655ccdfd10e2ea33020", kill_on_drop: false }`
[INFO] [stdout] 34671b8d4b55e47dcfb66083ae2b15ca168f10534cb4f655ccdfd10e2ea33020