[INFO] fetching crate boxletters 0.1.0...
[INFO] testing boxletters-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate boxletters 0.1.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate boxletters 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boxletters 0.1.0
[INFO] finished tweaking crates.io crate boxletters 0.1.0
[INFO] tweaked toml for crates.io crate boxletters 0.1.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate crates.io crate boxletters 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d1a06779b1de86d8b41ed7232cfcf7926ae1dd29bec589d1b2cb0b25fcf6f8
[INFO] running `Command { std: "docker" "start" "-a" "93d1a06779b1de86d8b41ed7232cfcf7926ae1dd29bec589d1b2cb0b25fcf6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d1a06779b1de86d8b41ed7232cfcf7926ae1dd29bec589d1b2cb0b25fcf6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d1a06779b1de86d8b41ed7232cfcf7926ae1dd29bec589d1b2cb0b25fcf6f8", kill_on_drop: false }`
[INFO] [stdout] 93d1a06779b1de86d8b41ed7232cfcf7926ae1dd29bec589d1b2cb0b25fcf6f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be26d7cc63f51f9a5e7f5d7b91cad95db4d6c8a987c2b2229030191382f5e9b7
[INFO] running `Command { std: "docker" "start" "-a" "be26d7cc63f51f9a5e7f5d7b91cad95db4d6c8a987c2b2229030191382f5e9b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling boxletters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "be26d7cc63f51f9a5e7f5d7b91cad95db4d6c8a987c2b2229030191382f5e9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be26d7cc63f51f9a5e7f5d7b91cad95db4d6c8a987c2b2229030191382f5e9b7", kill_on_drop: false }`
[INFO] [stdout] be26d7cc63f51f9a5e7f5d7b91cad95db4d6c8a987c2b2229030191382f5e9b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6673244fe232bb2e7235cc2f86d52c8e3d38dd80a5c40ece6e87aff8fad283dc
[INFO] running `Command { std: "docker" "start" "-a" "6673244fe232bb2e7235cc2f86d52c8e3d38dd80a5c40ece6e87aff8fad283dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling boxletters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "6673244fe232bb2e7235cc2f86d52c8e3d38dd80a5c40ece6e87aff8fad283dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6673244fe232bb2e7235cc2f86d52c8e3d38dd80a5c40ece6e87aff8fad283dc", kill_on_drop: false }`
[INFO] [stdout] 6673244fe232bb2e7235cc2f86d52c8e3d38dd80a5c40ece6e87aff8fad283dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e70865d3dddfca53d37afee2ab7c626e7a6c8144577fb8eb34888d67c5e3f2d
[INFO] running `Command { std: "docker" "start" "-a" "0e70865d3dddfca53d37afee2ab7c626e7a6c8144577fb8eb34888d67c5e3f2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/boxletters-5e66a32fefefdddd)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e70865d3dddfca53d37afee2ab7c626e7a6c8144577fb8eb34888d67c5e3f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e70865d3dddfca53d37afee2ab7c626e7a6c8144577fb8eb34888d67c5e3f2d", kill_on_drop: false }`
[INFO] [stdout] 0e70865d3dddfca53d37afee2ab7c626e7a6c8144577fb8eb34888d67c5e3f2d