[INFO] fetching crate changebase 0.1.0...
[INFO] testing changebase-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate changebase 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate changebase 0.1.0
[INFO] finished tweaking crates.io crate changebase 0.1.0
[INFO] tweaked toml for crates.io crate changebase 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate changebase 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate changebase 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded anyhow v1.0.44
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fa434869153fe1f7613659cf10a8af5172c72b876ce6b0fe864ebe3109e5615
[INFO] running `Command { std: "docker" "start" "-a" "2fa434869153fe1f7613659cf10a8af5172c72b876ce6b0fe864ebe3109e5615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa434869153fe1f7613659cf10a8af5172c72b876ce6b0fe864ebe3109e5615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa434869153fe1f7613659cf10a8af5172c72b876ce6b0fe864ebe3109e5615", kill_on_drop: false }`
[INFO] [stdout] 2fa434869153fe1f7613659cf10a8af5172c72b876ce6b0fe864ebe3109e5615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82c78addd60165fdf66678968cac77f53324e02cfec3e3c7da819bd3541fc2e
[INFO] running `Command { std: "docker" "start" "-a" "c82c78addd60165fdf66678968cac77f53324e02cfec3e3c7da819bd3541fc2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling changebase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_option_inspect)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `message` is never read
[INFO] [stdout]  --> src/errors.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ParseError { message: &'static str },
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `message` is never read
[INFO] [stdout]   --> src/errors.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ArgError { message: &'static str },
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.97s
[INFO] running `Command { std: "docker" "inspect" "c82c78addd60165fdf66678968cac77f53324e02cfec3e3c7da819bd3541fc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82c78addd60165fdf66678968cac77f53324e02cfec3e3c7da819bd3541fc2e", kill_on_drop: false }`
[INFO] [stdout] c82c78addd60165fdf66678968cac77f53324e02cfec3e3c7da819bd3541fc2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffaf3b80e48b0322a0f975546255c5d4e31ccde8b75a9225a952b3b361784070
[INFO] running `Command { std: "docker" "start" "-a" "ffaf3b80e48b0322a0f975546255c5d4e31ccde8b75a9225a952b3b361784070", kill_on_drop: false }`
[INFO] [stderr]    Compiling changebase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_option_inspect)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `message` is never read
[INFO] [stdout]  --> src/errors.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ParseError { message: &'static str },
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `message` is never read
[INFO] [stdout]   --> src/errors.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ArgError { message: &'static str },
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "ffaf3b80e48b0322a0f975546255c5d4e31ccde8b75a9225a952b3b361784070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffaf3b80e48b0322a0f975546255c5d4e31ccde8b75a9225a952b3b361784070", kill_on_drop: false }`
[INFO] [stdout] ffaf3b80e48b0322a0f975546255c5d4e31ccde8b75a9225a952b3b361784070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf06306e4a091009d00ba244dba3d8b0b4b52dadeae6e90d55eb4b0d287bfc5d
[INFO] running `Command { std: "docker" "start" "-a" "bf06306e4a091009d00ba244dba3d8b0b4b52dadeae6e90d55eb4b0d287bfc5d", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | #![feature(result_option_inspect)]
[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]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `message` is never read
[INFO] [stderr]  --> src/errors.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ParseError { message: &'static str },
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `message` is never read
[INFO] [stderr]   --> src/errors.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     ArgError { message: &'static str },
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `changebase` (bin "changebase" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/changebase-0c23a57b809071c3)
[INFO] running `Command { std: "docker" "inspect" "bf06306e4a091009d00ba244dba3d8b0b4b52dadeae6e90d55eb4b0d287bfc5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf06306e4a091009d00ba244dba3d8b0b4b52dadeae6e90d55eb4b0d287bfc5d", kill_on_drop: false }`
[INFO] [stdout] bf06306e4a091009d00ba244dba3d8b0b4b52dadeae6e90d55eb4b0d287bfc5d
