[INFO] updating cached repository ademonov/zipreader
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ademonov/zipreader
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ademonov/zipreader" "work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/zipreader"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/zipreader'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ademonov/zipreader" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ademonov/zipreader"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ademonov/zipreader'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0e4f3d12996d97b20d32c1c8c7bd6db8b021cdf
[INFO] sha for GitHub repo ademonov/zipreader: a0e4f3d12996d97b20d32c1c8c7bd6db8b021cdf
[INFO] validating manifest of ademonov/zipreader 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 ademonov/zipreader 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 ademonov/zipreader
[INFO] finished frobbing ademonov/zipreader
[INFO] frobbed toml for ademonov/zipreader written to work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/zipreader/Cargo.toml
[INFO] started frobbing ademonov/zipreader
[INFO] finished frobbing ademonov/zipreader
[INFO] frobbed toml for ademonov/zipreader written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ademonov/zipreader/Cargo.toml
[INFO] crate ademonov/zipreader 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 ademonov/zipreader 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/zipreader:/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] b2e792ce4b646f98771746659b0d8a7adae5f3875a6aef06b51c25ea5345de3a
[INFO] running `"docker" "start" "-a" "b2e792ce4b646f98771746659b0d8a7adae5f3875a6aef06b51c25ea5345de3a"`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling podio v0.1.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling flate2 v0.2.19
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr]    Compiling msdos_time v0.1.5
[INFO] [stderr]    Compiling zip v0.2.6
[INFO] [stderr]    Compiling zipreader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/main.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{io, fs};
[INFO] [stderr]   |           ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.22s
[INFO] running `"docker" "inspect" "b2e792ce4b646f98771746659b0d8a7adae5f3875a6aef06b51c25ea5345de3a"`
[INFO] running `"docker" "rm" "-f" "b2e792ce4b646f98771746659b0d8a7adae5f3875a6aef06b51c25ea5345de3a"`
[INFO] [stdout] b2e792ce4b646f98771746659b0d8a7adae5f3875a6aef06b51c25ea5345de3a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/zipreader:/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] dc2bf535a159f06c9dab2bd137a180438199d4a87ffbcad4aac5a2307c697257
[INFO] running `"docker" "start" "-a" "dc2bf535a159f06c9dab2bd137a180438199d4a87ffbcad4aac5a2307c697257"`
[INFO] [stderr]    Compiling zipreader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `io`
[INFO] [stderr]  --> src/main.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{io, fs};
[INFO] [stderr]   |           ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "dc2bf535a159f06c9dab2bd137a180438199d4a87ffbcad4aac5a2307c697257"`
[INFO] running `"docker" "rm" "-f" "dc2bf535a159f06c9dab2bd137a180438199d4a87ffbcad4aac5a2307c697257"`
[INFO] [stdout] dc2bf535a159f06c9dab2bd137a180438199d4a87ffbcad4aac5a2307c697257
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ademonov/zipreader:/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] e852557cece5d988ac4147fb41df84a8285c2feac82bf2495a8616c26541bde0
[INFO] running `"docker" "start" "-a" "e852557cece5d988ac4147fb41df84a8285c2feac82bf2495a8616c26541bde0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zipreader-5f63fe62202dac6a
[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" "e852557cece5d988ac4147fb41df84a8285c2feac82bf2495a8616c26541bde0"`
[INFO] running `"docker" "rm" "-f" "e852557cece5d988ac4147fb41df84a8285c2feac82bf2495a8616c26541bde0"`
[INFO] [stdout] e852557cece5d988ac4147fb41df84a8285c2feac82bf2495a8616c26541bde0