[INFO] updating cached repository Vonstrab/Mini-Zam
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vonstrab/Mini-Zam
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vonstrab/Mini-Zam" "work/ex/beta-1.38-1/sources/1.37.0/gh/Vonstrab/Mini-Zam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Vonstrab/Mini-Zam'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vonstrab/Mini-Zam" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vonstrab/Mini-Zam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vonstrab/Mini-Zam'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 504208d134232830ab0046da5ec955a288ec92f0
[INFO] sha for GitHub repo Vonstrab/Mini-Zam: 504208d134232830ab0046da5ec955a288ec92f0
[INFO] validating manifest of Vonstrab/Mini-Zam 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 Vonstrab/Mini-Zam 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 Vonstrab/Mini-Zam
[INFO] finished frobbing Vonstrab/Mini-Zam
[INFO] frobbed toml for Vonstrab/Mini-Zam written to work/ex/beta-1.38-1/sources/1.37.0/gh/Vonstrab/Mini-Zam/Cargo.toml
[INFO] started frobbing Vonstrab/Mini-Zam
[INFO] finished frobbing Vonstrab/Mini-Zam
[INFO] frobbed toml for Vonstrab/Mini-Zam written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vonstrab/Mini-Zam/Cargo.toml
[INFO] crate Vonstrab/Mini-Zam 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 Vonstrab/Mini-Zam 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Vonstrab/Mini-Zam:/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] 0a45b4de1a8a26bdf7a571e90c1c0ff60840de854900386292faa67871ff0b9f
[INFO] running `"docker" "start" "-a" "0a45b4de1a8a26bdf7a571e90c1c0ff60840de854900386292faa67871ff0b9f"`
[INFO] [stderr]    Compiling Mini-ZAM v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/machine.rs:341:40
[INFO] [stderr]     |
[INFO] [stderr] 341 |                     self.extra_args += (n - 1);
[INFO] [stderr]     |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/machine.rs:384:25
[INFO] [stderr]     |
[INFO] [stderr] 384 |                     for i in 1..*n {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Mini_ZAM` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mini_zam`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `labelsMap` should have a snake case name
[INFO] [stderr]   --> src/machine.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub labelsMap: HashMap<String, usize>,
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `labels_map`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "0a45b4de1a8a26bdf7a571e90c1c0ff60840de854900386292faa67871ff0b9f"`
[INFO] running `"docker" "rm" "-f" "0a45b4de1a8a26bdf7a571e90c1c0ff60840de854900386292faa67871ff0b9f"`
[INFO] [stdout] 0a45b4de1a8a26bdf7a571e90c1c0ff60840de854900386292faa67871ff0b9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Vonstrab/Mini-Zam:/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] c1c6a0892ac6f991a9fe71266c5e21bfcbf37b524bd4d980f3ad591ec0307aaf
[INFO] running `"docker" "start" "-a" "c1c6a0892ac6f991a9fe71266c5e21bfcbf37b524bd4d980f3ad591ec0307aaf"`
[INFO] [stderr]    Compiling Mini-ZAM v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/machine.rs:341:40
[INFO] [stderr]     |
[INFO] [stderr] 341 |                     self.extra_args += (n - 1);
[INFO] [stderr]     |                                        ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/machine.rs:384:25
[INFO] [stderr]     |
[INFO] [stderr] 384 |                     for i in 1..*n {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Mini_ZAM` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mini_zam`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `labelsMap` should have a snake case name
[INFO] [stderr]   --> src/machine.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub labelsMap: HashMap<String, usize>,
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `labels_map`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "c1c6a0892ac6f991a9fe71266c5e21bfcbf37b524bd4d980f3ad591ec0307aaf"`
[INFO] running `"docker" "rm" "-f" "c1c6a0892ac6f991a9fe71266c5e21bfcbf37b524bd4d980f3ad591ec0307aaf"`
[INFO] [stdout] c1c6a0892ac6f991a9fe71266c5e21bfcbf37b524bd4d980f3ad591ec0307aaf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Vonstrab/Mini-Zam:/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] da24ac9c8fd9532cf5d5fd1c8bbf01d209ad28924b06f43568abe09a5a11d598
[INFO] running `"docker" "start" "-a" "da24ac9c8fd9532cf5d5fd1c8bbf01d209ad28924b06f43568abe09a5a11d598"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Mini_ZAM-7b3e99d663359b2a
[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" "da24ac9c8fd9532cf5d5fd1c8bbf01d209ad28924b06f43568abe09a5a11d598"`
[INFO] running `"docker" "rm" "-f" "da24ac9c8fd9532cf5d5fd1c8bbf01d209ad28924b06f43568abe09a5a11d598"`
[INFO] [stdout] da24ac9c8fd9532cf5d5fd1c8bbf01d209ad28924b06f43568abe09a5a11d598