[INFO] updating cached repository 0g1h4r4/pseudo-mountpoint
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/0g1h4r4/pseudo-mountpoint
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/0g1h4r4/pseudo-mountpoint" "work/ex/beta-1.38-1/sources/1.37.0/gh/0g1h4r4/pseudo-mountpoint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/0g1h4r4/pseudo-mountpoint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/0g1h4r4/pseudo-mountpoint" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0g1h4r4/pseudo-mountpoint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0g1h4r4/pseudo-mountpoint'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d73dde4b32cf33ee9f24917d86c6ed79d00c6b7
[INFO] sha for GitHub repo 0g1h4r4/pseudo-mountpoint: 1d73dde4b32cf33ee9f24917d86c6ed79d00c6b7
[INFO] validating manifest of 0g1h4r4/pseudo-mountpoint on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 0g1h4r4/pseudo-mountpoint on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 0g1h4r4/pseudo-mountpoint
[INFO] finished frobbing 0g1h4r4/pseudo-mountpoint
[INFO] frobbed toml for 0g1h4r4/pseudo-mountpoint written to work/ex/beta-1.38-1/sources/1.37.0/gh/0g1h4r4/pseudo-mountpoint/Cargo.toml
[INFO] started frobbing 0g1h4r4/pseudo-mountpoint
[INFO] finished frobbing 0g1h4r4/pseudo-mountpoint
[INFO] frobbed toml for 0g1h4r4/pseudo-mountpoint written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0g1h4r4/pseudo-mountpoint/Cargo.toml
[INFO] crate 0g1h4r4/pseudo-mountpoint already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 0g1h4r4/pseudo-mountpoint against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0g1h4r4/pseudo-mountpoint:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 53b651d0a2be1e46cbbb4f20c3a0dac8d1622d4baa41987cabab1d4fed529ce5
[INFO] running `"docker" "start" "-a" "53b651d0a2be1e46cbbb4f20c3a0dac8d1622d4baa41987cabab1d4fed529ce5"`
[INFO] [stderr]    Compiling mountpoint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::*`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::ErrorKind`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::ErrorKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "53b651d0a2be1e46cbbb4f20c3a0dac8d1622d4baa41987cabab1d4fed529ce5"`
[INFO] running `"docker" "rm" "-f" "53b651d0a2be1e46cbbb4f20c3a0dac8d1622d4baa41987cabab1d4fed529ce5"`
[INFO] [stdout] 53b651d0a2be1e46cbbb4f20c3a0dac8d1622d4baa41987cabab1d4fed529ce5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0g1h4r4/pseudo-mountpoint:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c448bb2027eb0c3410678041f09509b9cf64ff65c79f3fc340492ec381083e7c
[INFO] running `"docker" "start" "-a" "c448bb2027eb0c3410678041f09509b9cf64ff65c79f3fc340492ec381083e7c"`
[INFO] [stderr]    Compiling mountpoint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::*`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::ErrorKind`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::ErrorKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "c448bb2027eb0c3410678041f09509b9cf64ff65c79f3fc340492ec381083e7c"`
[INFO] running `"docker" "rm" "-f" "c448bb2027eb0c3410678041f09509b9cf64ff65c79f3fc340492ec381083e7c"`
[INFO] [stdout] c448bb2027eb0c3410678041f09509b9cf64ff65c79f3fc340492ec381083e7c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0g1h4r4/pseudo-mountpoint:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 18d10ebb46139621f514e2b723eddde9c72fba7157ffec749bc072a88d871f56
[INFO] running `"docker" "start" "-a" "18d10ebb46139621f514e2b723eddde9c72fba7157ffec749bc072a88d871f56"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mountpoint-afd164943725e173
[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 `"docker" "inspect" "18d10ebb46139621f514e2b723eddde9c72fba7157ffec749bc072a88d871f56"`
[INFO] running `"docker" "rm" "-f" "18d10ebb46139621f514e2b723eddde9c72fba7157ffec749bc072a88d871f56"`
[INFO] [stdout] 18d10ebb46139621f514e2b723eddde9c72fba7157ffec749bc072a88d871f56