[INFO] fetching crate subs 0.2.0...
[INFO] testing subs-0.2.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate subs 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate subs 0.2.0
[INFO] finished tweaking crates.io crate subs 0.2.0
[INFO] tweaked toml for crates.io crate subs 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate subs 0.2.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate subs 0.2.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.3
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded filetime v0.2.5
[INFO] [stderr]   Downloaded mio-extras v2.0.5
[INFO] [stderr]   Downloaded inotify v0.6.1
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] [stderr]   Downloaded notify v4.0.12
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99efdaf902e4d0eb1e861dc2149e0c1d64f0b5119ab677f6ae7f41da5ae2a790
[INFO] running `Command { std: "docker" "start" "-a" "99efdaf902e4d0eb1e861dc2149e0c1d64f0b5119ab677f6ae7f41da5ae2a790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99efdaf902e4d0eb1e861dc2149e0c1d64f0b5119ab677f6ae7f41da5ae2a790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99efdaf902e4d0eb1e861dc2149e0c1d64f0b5119ab677f6ae7f41da5ae2a790", kill_on_drop: false }`
[INFO] [stdout] 99efdaf902e4d0eb1e861dc2149e0c1d64f0b5119ab677f6ae7f41da5ae2a790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75240f8e3c479f01fc35d021bc4cb6c419415bb35332ebb38e5d96c08bd105ae
[INFO] running `Command { std: "docker" "start" "-a" "75240f8e3c479f01fc35d021bc4cb6c419415bb35332ebb38e5d96c08bd105ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling subs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/manager/socket.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_msg(msg: &str) -> Option<Msg> {
[INFO] [stdout]    |                   ^^^^            ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_msg(msg: &str) -> Option<Msg<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/options.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `Command { std: "docker" "inspect" "75240f8e3c479f01fc35d021bc4cb6c419415bb35332ebb38e5d96c08bd105ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75240f8e3c479f01fc35d021bc4cb6c419415bb35332ebb38e5d96c08bd105ae", kill_on_drop: false }`
[INFO] [stdout] 75240f8e3c479f01fc35d021bc4cb6c419415bb35332ebb38e5d96c08bd105ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73e1f679bbc8eb891af827ee86f89f05f4d125a0163f827018c594643da3fda1
[INFO] running `Command { std: "docker" "start" "-a" "73e1f679bbc8eb891af827ee86f89f05f4d125a0163f827018c594643da3fda1", kill_on_drop: false }`
[INFO] [stderr]    Compiling subs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/manager/socket.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_msg(msg: &str) -> Option<Msg> {
[INFO] [stdout]    |                   ^^^^            ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_msg(msg: &str) -> Option<Msg<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/options.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "73e1f679bbc8eb891af827ee86f89f05f4d125a0163f827018c594643da3fda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e1f679bbc8eb891af827ee86f89f05f4d125a0163f827018c594643da3fda1", kill_on_drop: false }`
[INFO] [stdout] 73e1f679bbc8eb891af827ee86f89f05f4d125a0163f827018c594643da3fda1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 392d48c8f55f06909aa27660b870dd97c8aaebf36099d2c42932bf6fb2f53d3f
[INFO] running `Command { std: "docker" "start" "-a" "392d48c8f55f06909aa27660b870dd97c8aaebf36099d2c42932bf6fb2f53d3f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/manager/socket.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_msg(msg: &str) -> Option<Msg> {
[INFO] [stderr]    |                   ^^^^            ^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_msg(msg: &str) -> Option<Msg<'_>> {
[INFO] [stderr]    |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/options.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Err(f) => panic!(f.to_string()),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stderr]    |                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `subs` (bin "subs" test) generated 2 warnings (run `cargo fix --bin "subs" -p subs --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/subs-c71b85636930d9d4)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "392d48c8f55f06909aa27660b870dd97c8aaebf36099d2c42932bf6fb2f53d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392d48c8f55f06909aa27660b870dd97c8aaebf36099d2c42932bf6fb2f53d3f", kill_on_drop: false }`
[INFO] [stdout] 392d48c8f55f06909aa27660b870dd97c8aaebf36099d2c42932bf6fb2f53d3f
