[INFO] updating cached repository megamsys/megam_api.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/megamsys/megam_api.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/megamsys/megam_api.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/megamsys/megam_api.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/megamsys/megam_api.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/megamsys/megam_api.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/megamsys/megam_api.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/megamsys/megam_api.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13df4ed4ab9f209b49305dc3940a2f9ebf3d2447
[INFO] sha for GitHub repo megamsys/megam_api.rs: 13df4ed4ab9f209b49305dc3940a2f9ebf3d2447
[INFO] validating manifest of megamsys/megam_api.rs 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 megamsys/megam_api.rs 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 megamsys/megam_api.rs
[INFO] removed 1 missing tests
[INFO] finished frobbing megamsys/megam_api.rs
[INFO] frobbed toml for megamsys/megam_api.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/megamsys/megam_api.rs/Cargo.toml
[INFO] started frobbing megamsys/megam_api.rs
[INFO] removed 1 missing tests
[INFO] finished frobbing megamsys/megam_api.rs
[INFO] frobbed toml for megamsys/megam_api.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/megamsys/megam_api.rs/Cargo.toml
[INFO] crate megamsys/megam_api.rs 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/megamsys/megam_api.rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing megamsys/megam_api.rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/megamsys/megam_api.rs:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f29ac41954d2022b923be0c19f8676b907b51f4785acb3b85a13909ed3e266a1
[INFO] running `"docker" "start" "-a" "f29ac41954d2022b923be0c19f8676b907b51f4785acb3b85a13909ed3e266a1"`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/crater/workdir/tests/test_accounts.rs
[INFO] [stderr] * /opt/crater/workdir/tests/test_csars.rs
[INFO] [stderr] * /opt/crater/workdir/tests/tests.rs
[INFO] [stderr] * /opt/crater/workdir/tests/test_sshkeys.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]    Compiling curl v0.2.19
[INFO] [stderr]    Compiling megam_api v0.1.9 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/megam_api/api.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FailOne` should have a snake case name
[INFO] [stderr]   --> src/megam_api/util/accounts.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Err(FailOne) => return Err(FailOne),
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `fail_one`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FailOne` should have a snake case name
[INFO] [stderr]   --> src/megam_api/util/sshkeys.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         Err(FailOne) => return Err(FailOne),
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `fail_one`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FailOne` should have a snake case name
[INFO] [stderr]   --> src/megam_api/util/csars.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Err(FailOne) => return Err(FailOne),
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `fail_one`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Email` should have a snake case name
[INFO] [stderr]   --> src/megam_api/api.rs:62:7
[INFO] [stderr]    |
[INFO] [stderr] 62 |   pub Email: String,
[INFO] [stderr]    |       ^^^^^ help: convert the identifier to snake case: `email`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Apikey` should have a snake case name
[INFO] [stderr]   --> src/megam_api/api.rs:63:6
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub Apikey: String,
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `apikey`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Host` should have a snake case name
[INFO] [stderr]   --> src/megam_api/api.rs:64:6
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub Host: String,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `host`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Version` should have a snake case name
[INFO] [stderr]   --> src/megam_api/api.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub Version: String,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `version`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `"docker" "inspect" "f29ac41954d2022b923be0c19f8676b907b51f4785acb3b85a13909ed3e266a1"`
[INFO] running `"docker" "rm" "-f" "f29ac41954d2022b923be0c19f8676b907b51f4785acb3b85a13909ed3e266a1"`
[INFO] [stdout] f29ac41954d2022b923be0c19f8676b907b51f4785acb3b85a13909ed3e266a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/megamsys/megam_api.rs:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 773e9888383193e55b50cf7046f42688b7eb2098e2e4bf461030087b4d0ed51e
[INFO] running `"docker" "start" "-a" "773e9888383193e55b50cf7046f42688b7eb2098e2e4bf461030087b4d0ed51e"`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/crater/workdir/tests/test_accounts.rs
[INFO] [stderr] * /opt/crater/workdir/tests/test_csars.rs
[INFO] [stderr] * /opt/crater/workdir/tests/tests.rs
[INFO] [stderr] * /opt/crater/workdir/tests/test_sshkeys.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]    Compiling megam_api v0.1.9 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/megam_api/api.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FailOne` should have a snake case name
[INFO] [stderr]   --> src/megam_api/util/accounts.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Err(FailOne) => return Err(FailOne),
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `fail_one`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FailOne` should have a snake case name
[INFO] [stderr]   --> src/megam_api/util/sshkeys.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         Err(FailOne) => return Err(FailOne),
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `fail_one`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `FailOne` should have a snake case name
[INFO] [stderr]   --> src/megam_api/util/csars.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         Err(FailOne) => return Err(FailOne),
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `fail_one`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Email` should have a snake case name
[INFO] [stderr]   --> src/megam_api/api.rs:62:7
[INFO] [stderr]    |
[INFO] [stderr] 62 |   pub Email: String,
[INFO] [stderr]    |       ^^^^^ help: convert the identifier to snake case: `email`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Apikey` should have a snake case name
[INFO] [stderr]   --> src/megam_api/api.rs:63:6
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub Apikey: String,
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `apikey`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Host` should have a snake case name
[INFO] [stderr]   --> src/megam_api/api.rs:64:6
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub Host: String,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `host`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Version` should have a snake case name
[INFO] [stderr]   --> src/megam_api/api.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub Version: String,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `version`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "773e9888383193e55b50cf7046f42688b7eb2098e2e4bf461030087b4d0ed51e"`
[INFO] running `"docker" "rm" "-f" "773e9888383193e55b50cf7046f42688b7eb2098e2e4bf461030087b4d0ed51e"`
[INFO] [stdout] 773e9888383193e55b50cf7046f42688b7eb2098e2e4bf461030087b4d0ed51e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/megamsys/megam_api.rs:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4bca4f63041d805e7f7af89bf4d0e048176780f98c43655ceb79de7a55e7e00e
[INFO] running `"docker" "start" "-a" "4bca4f63041d805e7f7af89bf4d0e048176780f98c43655ceb79de7a55e7e00e"`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/crater/workdir/tests/test_accounts.rs
[INFO] [stderr] * /opt/crater/workdir/tests/test_csars.rs
[INFO] [stderr] * /opt/crater/workdir/tests/tests.rs
[INFO] [stderr] * /opt/crater/workdir/tests/test_sshkeys.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/megam_api-984359a60a9d8541
[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] [stderr]    Doc-tests megam_api
[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" "4bca4f63041d805e7f7af89bf4d0e048176780f98c43655ceb79de7a55e7e00e"`
[INFO] running `"docker" "rm" "-f" "4bca4f63041d805e7f7af89bf4d0e048176780f98c43655ceb79de7a55e7e00e"`
[INFO] [stdout] 4bca4f63041d805e7f7af89bf4d0e048176780f98c43655ceb79de7a55e7e00e