[INFO] cloning repository https://github.com/corporealshift/rust-changes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corporealshift/rust-changes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorporealshift%2Frust-changes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorporealshift%2Frust-changes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e9b997744112e7d00290bc7f0e6bd87e22ea2ad
[INFO] testing corporealshift/rust-changes against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorporealshift%2Frust-changes" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corporealshift/rust-changes on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/corporealshift/rust-changes
[INFO] finished tweaking git repo https://github.com/corporealshift/rust-changes
[INFO] tweaked toml for git repo https://github.com/corporealshift/rust-changes written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/corporealshift/rust-changes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mktemp v0.3.1
[INFO] [stderr]   Downloaded hyper v0.12.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0fb93d24597b48f6a40cd8ac1c5cc798e0c192e3cf2eb988b66555780d7a683
[INFO] running `Command { std: "docker" "start" "-a" "b0fb93d24597b48f6a40cd8ac1c5cc798e0c192e3cf2eb988b66555780d7a683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0fb93d24597b48f6a40cd8ac1c5cc798e0c192e3cf2eb988b66555780d7a683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0fb93d24597b48f6a40cd8ac1c5cc798e0c192e3cf2eb988b66555780d7a683", kill_on_drop: false }`
[INFO] [stdout] b0fb93d24597b48f6a40cd8ac1c5cc798e0c192e3cf2eb988b66555780d7a683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8401c221dbca305c53586f3a9e9a0d70c588ea0722bbc9865470f0a9863bf65
[INFO] running `Command { std: "docker" "start" "-a" "f8401c221dbca305c53586f3a9e9a0d70c588ea0722bbc9865470f0a9863bf65", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling string v0.1.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling smallvec v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling libflate v0.1.18
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling mktemp v0.3.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling hyper v0.12.15
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling changeswr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `old_version`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let old_version = get_from_input("the current tag".to_string())?;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `displayName` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     displayName: String,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `display_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.26s
[INFO] running `Command { std: "docker" "inspect" "f8401c221dbca305c53586f3a9e9a0d70c588ea0722bbc9865470f0a9863bf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8401c221dbca305c53586f3a9e9a0d70c588ea0722bbc9865470f0a9863bf65", kill_on_drop: false }`
[INFO] [stdout] f8401c221dbca305c53586f3a9e9a0d70c588ea0722bbc9865470f0a9863bf65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 414b2a49e31277c564053d0efdbb75861f6956a1eb81223ee8d0ef0883a42835
[INFO] running `Command { std: "docker" "start" "-a" "414b2a49e31277c564053d0efdbb75861f6956a1eb81223ee8d0ef0883a42835", kill_on_drop: false }`
[INFO] [stderr]    Compiling changeswr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `old_version`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let old_version = get_from_input("the current tag".to_string())?;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_version`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `displayName` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     displayName: String,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `display_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "414b2a49e31277c564053d0efdbb75861f6956a1eb81223ee8d0ef0883a42835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414b2a49e31277c564053d0efdbb75861f6956a1eb81223ee8d0ef0883a42835", kill_on_drop: false }`
[INFO] [stdout] 414b2a49e31277c564053d0efdbb75861f6956a1eb81223ee8d0ef0883a42835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34878763e5a979e9746479a58c562f818bc408f26d7b8cc062a181b62889668a
[INFO] running `Command { std: "docker" "start" "-a" "34878763e5a979e9746479a58c562f818bc408f26d7b8cc062a181b62889668a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: unused variable: `old_version`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 39 |     let old_version = get_from_input("the current tag".to_string())?;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_version`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `displayName` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     displayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `display_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `changeswr` (bin "changeswr" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/changeswr-eac2bfe4d38d9076)
[INFO] running `Command { std: "docker" "inspect" "34878763e5a979e9746479a58c562f818bc408f26d7b8cc062a181b62889668a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34878763e5a979e9746479a58c562f818bc408f26d7b8cc062a181b62889668a", kill_on_drop: false }`
[INFO] [stdout] 34878763e5a979e9746479a58c562f818bc408f26d7b8cc062a181b62889668a