[INFO] cloning repository https://github.com/power3xz/rust-in-action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/power3xz/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 409f37b437ad161cb1dc57f9410ca9123f97dcf6
[INFO] testing power3xz/rust-in-action against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/power3xz/rust-in-action
[INFO] finished tweaking git repo https://github.com/power3xz/rust-in-action
[INFO] tweaked toml for git repo https://github.com/power3xz/rust-in-action written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/power3xz/rust-in-action on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/power3xz/rust-in-action 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d448a0e76d24032713fe332e00d6dde83725df4d55b035d716c5c6ff57741d82
[INFO] running `Command { std: "docker" "start" "-a" "d448a0e76d24032713fe332e00d6dde83725df4d55b035d716c5c6ff57741d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d448a0e76d24032713fe332e00d6dde83725df4d55b035d716c5c6ff57741d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d448a0e76d24032713fe332e00d6dde83725df4d55b035d716c5c6ff57741d82", kill_on_drop: false }`
[INFO] [stdout] d448a0e76d24032713fe332e00d6dde83725df4d55b035d716c5c6ff57741d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f765100d002f25cbbff8a4a06bf473b71233a803ca9aec1bf5e08505950db1d6
[INFO] running `Command { std: "docker" "start" "-a" "f765100d002f25cbbff8a4a06bf473b71233a803ca9aec1bf5e08505950db1d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling l3-22 v0.1.0 (/opt/rustwide/workdir/l3-22)
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling l5-6 v0.1.0 (/opt/rustwide/workdir/l5-6)
[INFO] [stderr]    Compiling l2-6 v0.1.0 (/opt/rustwide/workdir/l2-6)
[INFO] [stderr]    Compiling l4-19 v0.1.0 (/opt/rustwide/workdir/l4-19)
[INFO] [stderr]    Compiling l3-19 v0.1.0 (/opt/rustwide/workdir/l3-19)
[INFO] [stderr]    Compiling l3-17 v0.1.0 (/opt/rustwide/workdir/l3-17)
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]   --> l4-19/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Message {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 15 |     to: u64,
[INFO] [stdout] 16 |     content: String
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling l2-5 v0.1.0 (/opt/rustwide/workdir/l2-5)
[INFO] [stderr]    Compiling l2-11 v0.1.0 (/opt/rustwide/workdir/l2-11)
[INFO] [stderr]    Compiling l4-8 v0.1.0 (/opt/rustwide/workdir/l4-8)
[INFO] [stderr]    Compiling l5-3 v0.1.0 (/opt/rustwide/workdir/l5-3)
[INFO] [stderr]    Compiling l2-21 v0.1.0 (/opt/rustwide/workdir/l2-21)
[INFO] [stderr]    Compiling l2-22 v0.1.0 (/opt/rustwide/workdir/l2-22)
[INFO] [stdout] error[E0277]: `Demo` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> l4-8/src/main.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     println!("{}", demo);
[INFO] [stdout]    |               --   ^^^^ `Demo` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Demo`
[INFO] [stdout]   --> l4-8/src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | struct Demo {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling l2-35 v0.1.0 (/opt/rustwide/workdir/l2-35)
[INFO] [stderr] error: could not compile `l4-8` (bin "l4-8") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> l5-3/src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let frankentype: u32 = unsafe{ std::mem::transmute(a) };
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]   |
[INFO] [stdout] 3 -     let frankentype: u32 = unsafe{ std::mem::transmute(a) };
[INFO] [stdout] 3 +     let frankentype: u32 = unsafe{ f32::to_bits(a) };
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> l5-3/src/main.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let b: f32 = unsafe { std::mem::transmute(frankentype) };
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: replace this with
[INFO] [stdout]   |
[INFO] [stdout] 8 -     let b: f32 = unsafe { std::mem::transmute(frankentype) };
[INFO] [stdout] 8 +     let b: f32 = unsafe { f32::from_bits(frankentype) };
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f765100d002f25cbbff8a4a06bf473b71233a803ca9aec1bf5e08505950db1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f765100d002f25cbbff8a4a06bf473b71233a803ca9aec1bf5e08505950db1d6", kill_on_drop: false }`
[INFO] [stdout] f765100d002f25cbbff8a4a06bf473b71233a803ca9aec1bf5e08505950db1d6
