[INFO] updating cached repository nju33/bb [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nju33/bb [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nju33/bb" "work/ex/beta-1.38-1/sources/1.37.0/gh/nju33/bb"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nju33/bb'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nju33/bb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nju33/bb"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nju33/bb'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 95f2591e2c51d440fcf974b431e00b65b580634d [INFO] sha for GitHub repo nju33/bb: 95f2591e2c51d440fcf974b431e00b65b580634d [INFO] validating manifest of nju33/bb 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 nju33/bb 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 nju33/bb [INFO] finished frobbing nju33/bb [INFO] frobbed toml for nju33/bb written to work/ex/beta-1.38-1/sources/1.37.0/gh/nju33/bb/Cargo.toml [INFO] started frobbing nju33/bb [INFO] finished frobbing nju33/bb [INFO] frobbed toml for nju33/bb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nju33/bb/Cargo.toml [INFO] crate nju33/bb 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 nju33/bb 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nju33/bb:/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] dc349e16e013c74a5b2b61fb2233fd5dfe81528d22bca20e8601c33767209fcd [INFO] running `"docker" "start" "-a" "dc349e16e013c74a5b2b61fb2233fd5dfe81528d22bca20e8601c33767209fcd"` [INFO] [stderr] Compiling toml v0.4.6 [INFO] [stderr] Compiling bb v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/config/mod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BTreeMap` [INFO] [stderr] --> src/config/mod.rs:11:24 [INFO] [stderr] | [INFO] [stderr] 11 | use std::collections::{BTreeMap}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/config/mod.rs:96:30 [INFO] [stderr] | [INFO] [stderr] 96 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Command`, `exit` [INFO] [stderr] --> src/main.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | use std::process::{Command, exit}; [INFO] [stderr] | ^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::unix::process::CommandExt` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::os::unix::process::CommandExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path` [INFO] [stderr] --> src/main.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand` [INFO] [stderr] --> src/main.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^ ^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bookmark::Bookmark` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use bookmark::Bookmark; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/config/mod.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.20s [INFO] running `"docker" "inspect" "dc349e16e013c74a5b2b61fb2233fd5dfe81528d22bca20e8601c33767209fcd"` [INFO] running `"docker" "rm" "-f" "dc349e16e013c74a5b2b61fb2233fd5dfe81528d22bca20e8601c33767209fcd"` [INFO] [stdout] dc349e16e013c74a5b2b61fb2233fd5dfe81528d22bca20e8601c33767209fcd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nju33/bb:/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] 29e92de6c4cf3252a4b55fabca05ebc67e7c547fbd59d4d416299b80ea9904d7 [INFO] running `"docker" "start" "-a" "29e92de6c4cf3252a4b55fabca05ebc67e7c547fbd59d4d416299b80ea9904d7"` [INFO] [stderr] Compiling bb v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/config/mod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BTreeMap` [INFO] [stderr] --> src/config/mod.rs:11:24 [INFO] [stderr] | [INFO] [stderr] 11 | use std::collections::{BTreeMap}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/config/mod.rs:96:30 [INFO] [stderr] | [INFO] [stderr] 96 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Command`, `exit` [INFO] [stderr] --> src/main.rs:10:20 [INFO] [stderr] | [INFO] [stderr] 10 | use std::process::{Command, exit}; [INFO] [stderr] | ^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::unix::process::CommandExt` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::os::unix::process::CommandExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path` [INFO] [stderr] --> src/main.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand` [INFO] [stderr] --> src/main.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^ ^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bookmark::Bookmark` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use bookmark::Bookmark; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/config/mod.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `"docker" "inspect" "29e92de6c4cf3252a4b55fabca05ebc67e7c547fbd59d4d416299b80ea9904d7"` [INFO] running `"docker" "rm" "-f" "29e92de6c4cf3252a4b55fabca05ebc67e7c547fbd59d4d416299b80ea9904d7"` [INFO] [stdout] 29e92de6c4cf3252a4b55fabca05ebc67e7c547fbd59d4d416299b80ea9904d7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nju33/bb:/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] 95d73986e9aa43d58a24f7e6a149d466433a715a5a5a2e88c5e96fc586fc5f55 [INFO] running `"docker" "start" "-a" "95d73986e9aa43d58a24f7e6a149d466433a715a5a5a2e88c5e96fc586fc5f55"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/bb-b668d6c6c5a41643 [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" "95d73986e9aa43d58a24f7e6a149d466433a715a5a5a2e88c5e96fc586fc5f55"` [INFO] running `"docker" "rm" "-f" "95d73986e9aa43d58a24f7e6a149d466433a715a5a5a2e88c5e96fc586fc5f55"` [INFO] [stdout] 95d73986e9aa43d58a24f7e6a149d466433a715a5a5a2e88c5e96fc586fc5f55