[INFO] fetching crate murkdown 0.1.1...
[INFO] testing murkdown-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate murkdown 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate murkdown 0.1.1
[INFO] finished tweaking crates.io crate murkdown 0.1.1
[INFO] tweaked toml for crates.io crate murkdown 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate murkdown 0.1.1 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 murkdown 0.1.1 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
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0bfad67a45b84f4a38a1cb21f6735d81e93604f79f7b2fa0cb07b81c2750d93e
[INFO] running `Command { std: "docker" "start" "-a" "0bfad67a45b84f4a38a1cb21f6735d81e93604f79f7b2fa0cb07b81c2750d93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bfad67a45b84f4a38a1cb21f6735d81e93604f79f7b2fa0cb07b81c2750d93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfad67a45b84f4a38a1cb21f6735d81e93604f79f7b2fa0cb07b81c2750d93e", kill_on_drop: false }`
[INFO] [stdout] 0bfad67a45b84f4a38a1cb21f6735d81e93604f79f7b2fa0cb07b81c2750d93e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f84f4c5829802619b3829ebc62320446161004b084384e7d1ee1ce1899882490
[INFO] running `Command { std: "docker" "start" "-a" "f84f4c5829802619b3829ebc62320446161004b084384e7d1ee1ce1899882490", kill_on_drop: false }`
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[INFO] [stderr]    Compiling murkdown v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `hash_raw_entry`
[INFO] [stdout]  --> src/lib/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_raw_entry)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `raw_entry_mut` found for struct `HashMap<K, V, S>` in the current scope
[INFO] [stdout]    --> src/lib/compiler/lang.rs:143:30
[INFO] [stdout]     |
[INFO] [stdout] 142 | /                         ctx.stacks
[INFO] [stdout] 143 | |                             .raw_entry_mut()
[INFO] [stdout]     | |_____________________________-^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `get_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/collections/hash/map.rs:1171:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `raw_entry_mut` found for struct `HashMap<K, V, S>` in the current scope
[INFO] [stdout]    --> src/lib/compiler/lang.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 152 | /                         ctx.stacks
[INFO] [stdout] 153 | |                             .raw_entry_mut()
[INFO] [stdout]     | |_____________________________-^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `get_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/collections/hash/map.rs:1171:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `raw_entry_mut` found for struct `HashMap<K, V, S>` in the current scope
[INFO] [stdout]    --> src/lib/compiler/lang.rs:164:26
[INFO] [stdout]     |
[INFO] [stdout] 162 |                       let v = ctx
[INFO] [stdout]     |  _____________________________-
[INFO] [stdout] 163 | |                         .stacks
[INFO] [stdout] 164 | |                         .raw_entry_mut()
[INFO] [stdout]     | |_________________________-^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `get_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/collections/hash/map.rs:1171:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `murkdown` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f84f4c5829802619b3829ebc62320446161004b084384e7d1ee1ce1899882490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84f4c5829802619b3829ebc62320446161004b084384e7d1ee1ce1899882490", kill_on_drop: false }`
[INFO] [stdout] f84f4c5829802619b3829ebc62320446161004b084384e7d1ee1ce1899882490
